Alloys,申请号US19380203825-传众专利搜索

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发明名称	Alloys
摘要
申请公布号	US2138638(A)	申请公布日期	1938.11.29
申请号	US19380203825	申请日期	1938.04.23
申请人	HANDY & HARMAN	发明人	LEACH ROBERT H.
分类号	B23K35/30;C22C5/08	主分类号	B23K35/30
代理机构		代理人
主权项
地址

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