7
Chemical processing machines and apparatus; internal combustion engines, not for land vehicles; gasoline engines, not for land vehicles; Diesel engines, not for land vehicles; steam engines, not for land vehicles; steam marine engines, not for land vehicles; steam land engines, not for land vehicles; jet engines, not for land vehicles; engines, other than for land vehicles; machine elements, not for land vehicles; starters for motors and engines; electric motors [not for land vehicles], parts for electric motors; AC generators; DC generators
12
Internal combustion engines for land vehicles; gasoline engines for land vehicles; Diesel engines for land vehicles; steam engines for land vehicles; steam engines for railway rolling stock, automobiles and motorcycles; jet engines for land vehicles; motorcycle engines; engines for land vehicles; driving motors for land vehicles; motors for land vehicles; parts for land vehicles; electric motors for land vehicles
37
Repair or maintenance of electronic machines and apparatus; repair or maintenance of electric motors; repair or maintenance of power generators; repair or maintenance of chemical processing machines and apparatus
42
Technological advisory services relating to automobiles and industrial machines; designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments