FERRULE FOR STUD WELDING,申请号US19760743865-传众专利搜索

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发明名称	FERRULE FOR STUD WELDING
摘要
申请公布号	US4117297(A)	申请公布日期	1978.09.26
申请号	US19760743865	申请日期	1976.11.22
申请人	TRW INC.	发明人	SHOLLE, ROGER W.
分类号	B23K9/20;(IPC1-7):B23K9/32	主分类号	B23K9/20
代理机构		代理人
主权项
地址

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