Способ маскирования растровых негативов,申请号SU19580601277-传众专利搜索

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发明名称	Способ маскирования растровых негативов
摘要
申请公布号	SU121027(A1)	申请公布日期	1958.11.30
申请号	SU19580601277	申请日期	1958.06.06
申请人	PROOSO I.K.	发明人	PROOSO I.K.
分类号	G03F3/06	主分类号	G03F3/06
代理机构		代理人
主权项
地址

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