Pipe threading apparatus,申请号US19310539854-传众专利搜索

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发明名称	Pipe threading apparatus
摘要
申请公布号	US1936112(A)	申请公布日期	1933.11.21
申请号	US19310539854	申请日期	1931.05.25
申请人	VALTEN JARDINE JAMES	发明人	JARDINE JAMES VALTEN
分类号	B23G1/22	主分类号	B23G1/22
代理机构		代理人
主权项
地址

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