Method of building up tubular joint members,申请号US19410413962-传众专利搜索

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发明名称	Method of building up tubular joint members
摘要
申请公布号	US2390624(A)	申请公布日期	1945.12.11
申请号	US19410413962	申请日期	1941.10.07
申请人	STONE ALBERT L	发明人	STONE ALBERT L.
分类号	E21B17/042	主分类号	E21B17/042
代理机构		代理人
主权项
地址

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