Automatic exposure apparatus for making photographic prints,申请号US19480052922-传众专利搜索

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发明名称	Automatic exposure apparatus for making photographic prints
摘要
申请公布号	US2600470(A)	申请公布日期	1952.06.17
申请号	US19480052922	申请日期	1948.10.05
申请人	CHEMISCHE FABRIEK L. VAN DER GRINTEN	发明人	BREUERS THEO PIERRE CHRETIEN;LINTHOUT THEODOOR HILLEBRAND
分类号	G03B27/12	主分类号	G03B27/12
代理机构		代理人
主权项
地址

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