Improvements in or relating to photographic copying apparatus,申请号GB19450030980-传众专利搜索

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发明名称	Improvements in or relating to photographic copying apparatus
摘要
申请公布号	GB617966(A)	申请公布日期	1949.02.15
申请号	GB19450030980	申请日期	1945.11.19
申请人	BENNETT FRANCIS TERRY	发明人
分类号	G03B27/36	主分类号	G03B27/36
代理机构		代理人
主权项
地址

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