Pipe cutting machine,申请号US19310556603-传众专利搜索

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发明名称	Pipe cutting machine
摘要
申请公布号	US1860653(A)	申请公布日期	1932.05.31
申请号	US19310556603	申请日期	1931.08.12
申请人	BROWN BROTHERS WELDING COMPANY	发明人	BROWN HUGH F.
分类号	B23K7/00	主分类号	B23K7/00
代理机构		代理人
主权项
地址

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