01
Filtering materials, completely or mainly made of porous
materials, namely made of diatomite and ceramic material
06
Silo installations comprising silos as well as their closing
and disposal devices of metal; metal tanks for solids and
liquids; wire cloths as filtering materials; circulating
piping systems and ducts of metal; valves and pipes of metal
for liquids
07
Filters for stationary engines and vehicle engines;
pneumatic handling installations for bulk materials
comprising fans, silencers, pipes and branch pipes as well
as lock chambers; mechanically operated apparatus,
especially cyclones for separating primary air and
transported materials; hydrocyclones; distribution
installations for bulk materials or liquids; mixing machines
for the production of mixtures consisting of liquids and
bulk materials; separators and installations comprised
thereof; parts made of plastic materials for engines of land
vehicles or other vehicles, particularly control valves;
parts made of plastic materials for engines other than for
land vehicles, particularly intake manifolds, bars for
cables, engine hoods, gear covers, compensating tanks for
cooling water, maintenance indicators, camshaft covers and
valve chamber covers, oil filling tubes, suction piping
systems, fuel distributor lines and chokes for hot and cold
air; handling installations for extracting solids from
liquids comprising hollow-bottomed or flat-bottomed filters,
pressurized belt filters, vacuum filters, pre-coat filters,
candle filters, plate filters, backwashing filters and
cartridge filters, oil separators, magnetic separators, drum
filters, arc filters and belt filters; mechanical grinders
for chips and filtering agents; receiving tanks and
collectors made of metal or plastic materials as parts of
the aforesaid filters; hydraulic circulating pumps;
mechanical handling devices mainly comprising conveyor
chains, mechanical emptying apparatus, band conveyors as
well as their parts; equipment for conditioning residue from
the transformation of metals mainly comprising tanks for
liquids, settling tanks, mixing tanks and separators;
high-pressure installations for cleaning endless filtering
belts mainly comprising high-pressure pumps and jet nozzles;
mechanical, pneumatic and hydraulic controlling and
regulating apparatus for the aforesaid apparatus and
installations
09
Weighing and metering apparatus for bulk materials or
liquids; resonators for motors and engines; electric and
magnetic monitoring, controlling and regulating apparatus
for the apparatus and installations mentioned in this list
11
Filters for liquid and gaseous materials, especially for
air, gas, fuel and oil; activated carbon filters;
ventilation and air removal filters for silo installations;
installations for separating immiscible liquids comprising
hollow-bottomed or flat-bottomed filters, pressurized belt
filters, vacuum filters, pre-coat filters, candle filters,
plate filters, backwashing filters and cartridge filters,
oil separators, magnetic separators, drum filters, arc
filters and belt filters; receiving tanks and collectors
made of metal or plastic materials as parts of the aforesaid
filters; tanks with desiccating products for drying of gases
using humidity-absorbing agents and their parts; apparatus
for drying, cooling, ventilation and air conditioning;
sludge desiccators; pipes for heating and circulating air
for vehicles
12
Parts made of plastic materials for land vehicle engines,
particularly intake manifolds, bars for cables, engine
hoods, gear covers, compensating tanks for cooling water,
maintenance indicators, camshaft covers and valve chamber
covers, oil filling tubes, suction piping systems, fuel
distributor lines and chokes for hot and cold air
16
Filtering materials, completely or mainly made of paper and
cardboard
17
Filtering materials, completely or mainly made of synthetic
materials; circulating pipes and ducts made of plastic
materials; piping systems made of rubber
19
Piping systems made of glass; silo installations comprising
silos of plastic and concrete as well as their closing and
disposal devices
20
Non-metallic valves; settling tanks; tanks of plastic or
rubber for solids and liquids
24
Filtering materials, completely or mainly made of felt,
fabric and knitted fabric of natural and artificial fibers