Pipe threading die head assembly,申请号US19550555090-传众专利搜索

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发明名称	Pipe threading die head assembly
摘要
申请公布号	US2808599(A)	申请公布日期	1957.10.08
申请号	US19550555090	申请日期	1955.12.23
申请人	UNION CARBIDE CORPORATION	发明人	KERR KARL K.;JR. EDWARD J. KLEBER,;RAUB SAMUEL H. S.
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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