Pipe cutting machine,申请号US19400333719-传众专利搜索

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发明名称	Pipe cutting machine
摘要
申请公布号	US2284711(A)	申请公布日期	1942.06.02
申请号	US19400333719	申请日期	1940.05.07
申请人	AIR REDUCTION COMPANY, INCORPORATED	发明人	ANDERSON JAMES L.
分类号	E21B29/00	主分类号	E21B29/00
代理机构		代理人
主权项
地址

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