
Gas welding equipment - Rubber and plastics hose and hose assemblies for use with industrial gases up to 450 bar (45 MPa)
出版:International Organization for Standardization

專家解讀視頻
Gas welding equipment - Rubber and plastics hose and hose assemblies for use with industrial gases up to 450 bar (45 MPa)
出版:International Organization for Standardization
專家解讀視頻