硬质合金密封环毛坯
Rough cemented carbide sealing ring

2019-08-02

机械密封用碳化硼密封环技术条件
Specification for boron carbide rings of mechanical seal

2011-05-18

机械密封用碳化硅密封环 技术条件
Silicon carbide rings of mechanical seal -Specification

2020-08-31

机械密封用堆焊密封环技术条件
Specification for surfacing sealing ring of mechanical seal

2011-05-18

机械密封用硬质合金密封环毛坯
Blank of hard alloy sealing ring for mechanical seal

2002-07-16

机械密封用反应烧结氮化硅密封环
Reactively sintered silicon nitride seal ring for mechanical seal

2011-05-18

机械密封用O形橡胶圈
The rubber O-ring for mechanical seal

2020-08-31

液环式氯气泵用机械密封
Mechanical seals for liquid-ring chlorine pumps

2020-04-16

机械密封用喷涂氧化铬密封环技术条件
Specifications of plasma sprayed chromium oxide coated seal rings for mechanical seals

2020-04-16

船舶用液相烧结碳化硅陶瓷密封环
Liquid-phase sintered silicon carbide ceramics seal ring for ships

2017-04-12

Elastomeric sealing ring type joints and mechanical joints for thermoplastics pressure piping - Test method for leaktightness under external hydrostatic pressure
塑料管道系统.热塑性压力管道用弹性密封环型接头和机械接头.外部静水压力下密封性的试验方法；德语版本EN 911:1995

1995-09-01

PLASTICS PIPING SYSTEMS. ELASTOMERIC SEALING RING TYPE JOINTS AND MECHanical joints for thermoplastics pressure piping. Test method for leaktightness under external hydrostatic pressure.
塑料管道系统 热塑性压力管道用弹性密封环式接头和机械接头 外部静水压力下密封性的试验方法

1996-05-10