Spot welding apparatus,申请号US19480025321-传众专利搜索

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发明名称	Spot welding apparatus
摘要
申请公布号	US2486331(A)	申请公布日期	1949.10.25
申请号	US19480025321	申请日期	1948.05.06
申请人	AMERICAN CAR AND FOUNDRY COMPANY	发明人	SHIELDS ROBERT A.
分类号	B23K11/10	主分类号	B23K11/10
代理机构		代理人
主权项
地址

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