Патрон для укрепления поршневых колец при шлифовании одновременно обеих их торцевых поверхностей,申请号SU19300076793-传众专利搜索

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发明名称	Патрон для укрепления поршневых колец при шлифовании одновременно обеих их торцевых поверхностей
摘要
申请公布号	SU28123(A1)	申请公布日期	1932.10.31
申请号	SU19300076793	申请日期	1930.09.29
申请人	DOLGOPOLOV A.A.	发明人	DOLGOPOLOV A.A.
分类号	B23B31/00;B24B7/17	主分类号	B23B31/00
代理机构		代理人
主权项
地址

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