8502: Electric generating sets and rotary converters

850211: Generatg sets, diesel/semi-diesel engines, of an output not exced 75 850212: Generatg sets, diesel/semi-diesel exceedg 75 KVA but not exced 375 KV 850213: Generatg sets, diesel/semi-diesel engines, of an output exceedg 375 K 850220: Generating sets with spark-ignition internal combustion piston engine 850231: Generating Sets, Wind-Powered 850239: Generating Sets 850240: Electric rotary converters 8502: Electric generating sets and rotary converters