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1.Procedure and apparatus for removing valve assembly from pressurized container 失效
标题翻译: 从加压容器中取出阀组件的步骤和设备公开(公告)号:US3346943A
公开(公告)日:1967-10-17
申请号:US47134965
申请日:1965-07-12
申请人: NILSEN MFG CO
发明人: NILSEN PETER J , ZAMZOW MERLE D
IPC分类号: B21D51/42
CPC分类号: B21D51/42 , Y10T29/49302 , Y10T29/49314 , Y10T29/53 , Y10T29/53552