SIAD

Argon; nitrogen; cryogenic preparations; helium; hydrogen; oxygen

Containers of metal for compressed gas or liquid air

Compressors, namely, air compressors and gas compressors; blowing machines for the compression, exhaustion and transport of gases; gas-operated soldering apparatus; electric soldering apparatus; electric welding machines; gas-operated soldering irons; electric powered soldering irons; electric arc cutting apparatus

Air cooling apparatus; gas scrubbing apparatus; oxygen generators based on cryogenic distillation of air; nitrogen generators; argon generators; acetylene generators; carbon dioxide generators; helium generators; hydrogen generators; dinitrogen monoxide generators; dischlorosilane generators; trichlorosilane generators; tetrachlorosilane generators; xenon generators; neon generators

Machinery installation, maintenance and repair