11
Filling material and inserts for heat exchange (not machine
parts), for moisture exchange and/or for mass transfer,
namely parts of installations, apparatus or instruments in
the field of process engineering for cooling, for heating,
for humidifying gases, for dehumidifying of gases, for the
absorption of substances, for the desorption of substances
and/or for the reaction of substances; filling material and
inserts for installations, apparatus and instruments for the
filtration of air as well as for installations, apparatus
and instruments for the filtration of water; filling
material and inserts for installations, apparatus and
instruments for the humidification of air and gases; packing
elements and mounting elements made of metal, plastics,
glass or ceramics for gas scrubbers, for ventilating
apparatus and installations, for evaporation coolers;
exchange elements for cooling towers; plastic fixtures with
parallel or crosswise arranged duct shaped cavities for air
filtering apparatus, water filtering apparatus, gas
scrubbers, air humidifiers, ventilating installations,
gas-liquid-mass transfer installations, rain water or waste
water treatment installations and evaporative coolers;
splash deflectors for cooling towers; parts and accessories
for all afore-mentioned goods, included in this class
17
Plastics for use in manufacture, included in this class;
plastic parts for air filters and air filter installations,
for water filters and water filter installations, for
cooling apparatus and installations and cooling towers, for
air humidifying apparatus and installations, for gas
scrubbing apparatus and installations, for ventilating
apparatus and installations, for installations of mass
transfer and/or rain water or waste water treatment
installations; semi-processed plastics in foil form or in
the form of undulated layers for use in columns as
structured packing; semi-processed materials in the form of
plastic foils for filters, for gas scrubbing installations,
for refrigerating installations and cooling towers, for
installations of mass transfer, for air humidifying
installations, for ventilating installations and/or for rain
water or waste water treatment installations
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