Способ изготовления сборных высадочных матриц,申请号SU19500419206-传众专利搜索

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发明名称	Способ изготовления сборных высадочных матриц
摘要
申请公布号	SU89868(A2)	申请公布日期	1951.11.30
申请号	SU19500419206	申请日期	1950.06.03
申请人	PETROV I.S.	发明人	PETROV I.S.
分类号	B21J13/02	主分类号	B21J13/02
代理机构		代理人
主权项
地址

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