Projection welding machine,申请号US19420436994-传众专利搜索

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发明名称	Projection welding machine
摘要
申请公布号	US2325507(A)	申请公布日期	1943.07.27
申请号	US19420436994	申请日期	1942.03.31
申请人	THE SUPERHEATER COMPANY	发明人	GUIRL HOWARD P.;TROPPMAN FRED G.
分类号	B21C37/22;B23K11/00	主分类号	B21C37/22
代理机构		代理人
主权项
地址

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