Improvements in spool holders for photographic cameras,申请号GB19300034279-传众专利搜索

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发明名称	Improvements in spool holders for photographic cameras
摘要
申请公布号	GB360680(A)	申请公布日期	1931.11.12
申请号	GB19300034279	申请日期	1930.11.14
申请人	LORD BROTHERS AND COMPANY (BROADHEATH) LIMITED;SQUIRE LORD	发明人
分类号	G03B17/30	主分类号	G03B17/30
代理机构		代理人
主权项
地址

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