Photographic film developing spools,申请号GB19490001777-传众专利搜索

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发明名称	Photographic film developing spools
摘要
申请公布号	GB664162(A)	申请公布日期	1952.01.02
申请号	GB19490001777	申请日期	1949.01.21
申请人	GENERAL ANILINE & FILM CORPORATION	发明人
分类号	G03D13/14	主分类号	G03D13/14
代理机构		代理人
主权项
地址

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