Locking device for threaded pipe joints,申请号US19410406374-传众专利搜索

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法人/股东/高管

发明名称	Locking device for threaded pipe joints
摘要
申请公布号	US2340565(A)	申请公布日期	1944.02.01
申请号	US19410406374	申请日期	1941.08.11
申请人	ERNST RUDIGER	发明人	RUDIGER ERNST
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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