Improvements in or relating to photographic cameras,申请号GB19370002552D-传众专利搜索

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发明名称	Improvements in or relating to photographic cameras
摘要
申请公布号	GB489557(A)	申请公布日期	1938.07.28
申请号	GB19370002552D	申请日期	1937.01.28
申请人	NOEL PEMBERTON BILLING	发明人
分类号	G03B17/04	主分类号	G03B17/04
代理机构		代理人
主权项
地址

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