GB 12386-1990 球墨铸铁管法兰 压力-温度等级.pdf
GB 12386-1990 球墨铸铁管法兰 压力-温度等级.rar
AS 1357.1-2009 Valves primarily for use in heated water systems - Part 1 Protection valves.pdf
AS 1357.1-2009 Valves primarily for use in heated water systems - Part 1 Protection valves.rar
AS 1357.2-2009 Valves Primarily for use in Heated Water Systems - Part 2 Control Valves.pdf
AS 1357.2-2009 Valves Primarily for use in Heated Water Systems - Part 2 Control Valves
JB/ZQ 4187-1997 分体式高压法兰.pdf
JBZQ 4187-1997 分体式高压法兰.rar
GB/T 594-2008 船用外螺纹锻钢截止阀.pdf
GBT 594-2008 船用外螺纹锻钢截止阀.rar
GB/T 4450-2008 船用盲板钢法兰.pdf
GBT 4450-2008 船用盲板钢法兰.rar
JB 1688-1975 膈膜阀结构长度.pdf
JB 1688-1975 膈膜阀结构长度.rar
JB/T 1702-2008 阀门零部件 轴承压盖.pdf
JBT 1702-2008 阀门零部件 轴承压盖.rar
JB/T 1754-2008 阀门零部件 接头组件.pdf
JBT 1754-2008 阀门零部件 接头组件.rar
JB/T 1757-2008 阀门零部件 卡套、卡套螺母.pdf
JBT 1757-2008 阀门零部件 卡套、卡套螺母.rar
JB/T 1749-2008 阀门零部件 氨阀阀瓣.pdf
JBT 1749-2008 阀门零部件 氨阀阀瓣.rar
GB/T 15530.1-2008 铜合金整体铸造法兰.pdf
GBT 15530.1-2008 铜合金整体铸造法兰.rar
GB/T 17186-1997 钢制管法兰连接强度计算方法.pdf
GBT 17186-1997 钢制管法兰连接强度计算方法.rar
BS 1868-1975(R1990) Steel check valves(flanged and butt-welding ends) for the petroleumpetrochemical and allied industries.pdf
BS 1868-1975(R1990) Steel check valves(flanged and butt-welding ends) for thepetroleum,petrochemical and allied industries.rar
MSS SP-6-2007 管法兰以及阀门和管件端法兰的接触面标准精度.pdf
MSS SP-6-2007 管法兰以及阀门和管件端法兰的接触面标准精度.rar
JB/T 6617-1993 阀门用柔性石墨填料环 技术条件.pdf
JBT 6617-1993 阀门用柔性石墨填料环 技术条件.rar
JB/T 7248-1994 阀门用低温钢铸件 技术条件.pdf
JBT 7248-1994 阀门用低温钢铸件 技术条件.rar
JB/T 7760-1995 阀门填料密封试验规范.pdf
JBT 7760-1995 阀门填料密封试验规范.rar
JB/T 8858-1999 闸阀 静压寿命试验规程.pdf
JBT 8858-1999 闸阀 静压寿命试验规程.rar
JB/T 8860-1999 旋塞阀 静压寿命试验规程.pdf
JBT 8860-1999 旋塞阀 静压寿命试验规程.rar