Способ изготовления стержневых и формовочных масс,申请号SU19400023631-传众专利搜索

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发明名称	Способ изготовления стержневых и формовочных масс
摘要
申请公布号	SU58916(A1)	申请公布日期	1940.11.30
申请号	SU19400023631	申请日期	1940.01.03
申请人	REZNIK L.YA.	发明人	REZNIK L.YA.
分类号	B22C1/22	主分类号	B22C1/22
代理机构		代理人
主权项
地址

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