Improvements in or relating to photographic masking frames,申请号GB19580015592-传众专利搜索

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发明名称	Improvements in or relating to photographic masking frames
摘要
申请公布号	GB884816(A)	申请公布日期	1961.12.20
申请号	GB19580015592	申请日期	1958.05.15
申请人	RAPID SPOOL LIMITED	发明人	MACAULAY THOMAS ARTHUR
分类号	G03B27/58	主分类号	G03B27/58
代理机构		代理人
主权项
地址

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