1
Oil dispersants, petroleum dispersants, catalysts for use in the oil processing industry, biochemical catalysts, metal tempering chemical preparations, namely, metal hardening preparations and metal annealing preparations
4
Benzine fuel, benzene fuel; oil-gas, namely, liquefied petroleum gas; gasoline, producer gas, solidified gases, non-chemical motor oil additives, cutting fluids, tallow, industrial grease, kerosene, combustible oil for fuel, lubricating oil, industrial oil, coal tar oil, motor oil, naphtha, raw or refined petroleum; alcohol fuel, methylated spirit for fuel; diesel oil, lighting fuel, petroleum ether
6
Casings of metal for oilwells, common metals, unwrought and semi-worked, for further manufacture, pipe muffs of metal, iron wire, wire of common metal, wire of common metal alloys, except fuse wire, containers of metal for liquid fuel, containers of metal for compressed gas or liquid air, alloys of common metal, pipework of metal, penstock pipes of metal, pipes of metal, steel pipes
11
Heat pumps, heat exchangers not parts of machines, whirlpool-jet apparatus
19
Asphalt, bitumen, cladding, not of metal, for building, pitch, penstock pipes, not of metal
35
Business management
37
Pipeline construction and maintenance
40
Providing material treatment information, processing of oil; production of energy
42
Engineering
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