Ключевые слова:
Marking|Compressed gases|Electrical conductivity|Rubber|Pressure testing|Dimensions|Liquefied gases|Dimensional tolerances|Gas-welding equipment|Approval testing|Flexibility|Pressure|Instructions for use|Acetylene|Plastics|Flexible pipes|Chemical-resistance tests|Leak tests|Welding equipment|Type testing|Oxygen cutting|Pressure pipes|Temperature|Ignitability|Permeability