The invention discloses a hammer type pipe fitting electromagnetically shaping technology and a device thereof.
本发明公开了一种管件锤击式电磁整形技术及装置。
Introducing the structure characteristic with resistance hammer and assembly method of new type check valve.
介绍了新型止回阀的防水锤结构特性和装配方法。
Introducing the structure characteristic with resistance hammer and assembly method of new type check valve.
介绍了新型止回阀的防水锤结构特性和装配方法。
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