Power-operated, gear-driven pipe or tube coupling device,申请号US19580734547-传众专利搜索

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发明名称	Power-operated, gear-driven pipe or tube coupling device
摘要
申请公布号	US2907242(A)	申请公布日期	1959.10.06
申请号	US19580734547	申请日期	1958.05.12
申请人	CHAKROFF RICHARD O	发明人	CHAKROFF RICHARD O.
分类号	F16L19/00	主分类号	F16L19/00
代理机构		代理人
主权项
地址

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