Outside pipe cutter,申请号US19470724548-传众专利搜索

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发明名称	Outside pipe cutter
摘要
申请公布号	US2462230(A)	申请公布日期	1949.02.22
申请号	US19470724548	申请日期	1947.01.27
申请人	SMITH WILLIAM W	发明人	SMITH WILLIAM W.
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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