Калибровка валков косовалкового трубопрокатного стана,申请号SU19480378076-传众专利搜索

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发明名称	Калибровка валков косовалкового трубопрокатного стана
摘要
申请公布号	SU84457(A2)	申请公布日期	1949.11.30
申请号	SU19480378076	申请日期	1948.04.05
申请人	DOROSHEV I.A.	发明人	DOROSHEV I.A.
分类号	B21B19/02;B21B27/02	主分类号	B21B19/02
代理机构		代理人
主权项
地址

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