PIPE-WELDING PROCESS,申请号USD3619535-传众专利搜索

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发明名称	PIPE-WELDING PROCESS
摘要
申请公布号	US3619535(A)	申请公布日期	1971.11.09
申请号	USD3619535	申请日期	1969.09.19
申请人	VINCENT J. SULLIVAN	发明人	VINCENT J. SULLIVAN
分类号	B23K13/02;(IPC1-7):H05B5/00;B23K31/06	主分类号	B23K13/02
代理机构		代理人
主权项
地址

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