Рабочие валки для прокатного стана,申请号SU19480373180-传众专利搜索

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发明名称	Рабочие валки для прокатного стана
摘要
申请公布号	SU89331(A1)	申请公布日期	1949.11.30
申请号	SU19480373180	申请日期	1948.01.17
申请人	AVAKOV A.I.	发明人	AVAKOV A.I.
分类号	B21B27/02	主分类号	B21B27/02
代理机构		代理人
主权项
地址

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