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发明名称	Method of joining
摘要
申请公布号	US2270278(A)	申请公布日期	1942.01.20
申请号	US19390285565	申请日期	1939.07.20
申请人	ALUMINUM COMPANY	发明人	DUNN JOHN H.
分类号	B23K11/11	主分类号	B23K11/11
代理机构		代理人
主权项
地址

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