An apparatus for cutting screw-threads on tubes,申请号GB19310023604-传众专利搜索

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发明名称	An apparatus for cutting screw-threads on tubes
摘要
申请公布号	GB388381(A)	申请公布日期	1933.02.21
申请号	GB19310023604	申请日期	1931.08.21
申请人	LAURENZ LEHNER;JOSEF LEHNER	发明人
分类号	B23G1/32	主分类号	B23G1/32
代理机构		代理人
主权项
地址

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