Lubrication means for pipe-cutting and threading machines,申请号US19500145974-传众专利搜索

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发明名称	Lubrication means for pipe-cutting and threading machines
摘要
申请公布号	US2692996(A)	申请公布日期	1954.11.02
申请号	US19500145974	申请日期	1950.02.24
申请人	WALLACE RICHARD A	发明人	WALLACE RICHARD A.
分类号	B23G1/22;B23Q11/10	主分类号	B23G1/22
代理机构		代理人
主权项
地址

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