Apparatus for producing seamless tubes,申请号US19440562309-传众专利搜索

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发明名称	Apparatus for producing seamless tubes
摘要
申请公布号	US2458110(A)	申请公布日期	1949.01.04
申请号	US19440562309	申请日期	1944.11.07
申请人	DETROIT SEAMLESS STEEL TUBES COMPANY	发明人	SLEEMAN EARL C.
分类号	B21B19/02	主分类号	B21B19/02
代理机构		代理人
主权项
地址

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