ELECTRICAL TUBING SEAM WELDING APPARATUS,申请号CAD397389-传众专利搜索

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发明名称	ELECTRICAL TUBING SEAM WELDING APPARATUS
摘要
申请公布号	CA397389(A)	申请公布日期	1941.06.24
申请号	CAD397389	申请日期
申请人	FRANK L. SESSIONS	发明人	FRANK L. SESSIONS
分类号		主分类号
代理机构		代理人
主权项
地址

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