HG/T 20612-2009 钢制管法兰用金属环形垫(PN系列)
HG/T 20612-2009.Metallic ring joint gaskets for use with steel pipe flanges(PN d...
行业标准2023.08.08
HG/T 20612-2009.Metallic ring joint gaskets for use with steel pipe flanges(PN d...
行业标准2023.08.08
HG/T 20611-2009.Covered serrated metal gaskets for use with steel pipe flanges(P...
行业标准2023.08.08
HG/T 20610-2009.Spiral wound gaskets for use with steel pipe flanges(PN designat...
行业标准2023.08.08
HG/T 20607-2009.PTFE envelope gaskets for use with steel pipe flanges(PN designa...
行业标准2023.08.08
HG/T 20609-2009.Metal jacketed gaskets for use with steel pipe flanges(PN design...
行业标准2023.08.08
HG/T 2057-2003.Stirred glass lined vessel mechanical seals.1范围HG/T 2057规定了在搪玻璃搅拌...
行业标准2023.08.08
HG/T 2051.4-2007.Glass-lined agitator pitch blade turbine type.1范围HG/T 2051.4规定了...
行业标准2023.08.08
HG/T 2051.2-2007.Glass-lined agitator gate type.1范围HG/T 2051.2规定了搪玻璃搅拌容器用搪玻璃框式搅拌...
行业标准2023.08.08
HG/T 2051.3-2007.Glass-lined agitator retreat curve impeller type.1范围HG/T 2051.3...
行业标准2023.08.08
HG/T 2051.1-2007.Glass-lined agitator anchor type.1范围HG/T 2051.1规定了搪玻璃搅拌容器用搪玻璃锚式...
行业标准2023.08.08