Welding apparatus and method,申请号US19530370816-传众专利搜索

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发明名称	Welding apparatus and method
摘要
申请公布号	US2763770(A)	申请公布日期	1956.09.18
申请号	US19530370816	申请日期	1953.07.28
申请人	CHICAGO BRIDGE & IRON COMPANY	发明人	ARNOLD PERRY C.
分类号	B23K9/02	主分类号	B23K9/02
代理机构		代理人
主权项
地址

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