
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

专家解读视频
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
专家解读视频