
Gas welding equipment - Rubber and plastic hoses assembled for compressed or liquefied gases up to a maximum design pressure of 450 bar
出版:International Organization for Standardization

專家解讀視頻
Gas welding equipment - Rubber and plastic hoses assembled for compressed or liquefied gases up to a maximum design pressure of 450 bar
出版:International Organization for Standardization
專家解讀視頻