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发明名称	WELDING
摘要
申请公布号	CA449823(A)	申请公布日期	1948.07.13
申请号	CAD449823	申请日期
申请人	ELECTRO METALLURGICAL COMPANY OF CANADA	发明人	STANLEY M. NORWOOD
分类号		主分类号
代理机构		代理人
主权项
地址

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