Приспособление к стану для волочения конических труб,申请号SU19380308025-传众专利搜索

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发明名称	Приспособление к стану для волочения конических труб
摘要
申请公布号	SU85639(A1)	申请公布日期	1949.11.30
申请号	SU19380308025	申请日期	1938.07.11
申请人	ZELENBERG S.G.	发明人	ZELENBERG S.G.
分类号	B21C37/18	主分类号	B21C37/18
代理机构		代理人
主权项
地址

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