Improved photographic contact-printing device,申请号GB19520014980-传众专利搜索

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发明名称	Improved photographic contact-printing device
摘要
申请公布号	GB701488(A)	申请公布日期	1953.12.23
申请号	GB19520014980	申请日期	1952.06.13
申请人	HEERE VAN DER SCHAAR	发明人
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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