Belichtungsapparat zur Herstellung von Kontaktkopien,申请号DE1950C001819-传众专利搜索

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发明名称	Belichtungsapparat zur Herstellung von Kontaktkopien
摘要
申请公布号	DE847689(C)	申请公布日期	1952.08.28
申请号	DE1950C001819	申请日期	1950.07.21
申请人	CHEMISCHE FABRIEK L. VAN DER GRINTEN	发明人	GRINTEN LODEWIJK EVERT VAN DER
分类号	G03B27/22	主分类号	G03B27/22
代理机构		代理人
主权项
地址

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