Improvements in wide-angle objectives,申请号GB19530006963-传众专利搜索

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发明名称	Improvements in wide-angle objectives
摘要
申请公布号	GB720808(A)	申请公布日期	1954.12.29
申请号	GB19530006963	申请日期	1953.03.13
申请人	PIERRE ANGENIEUX	发明人
分类号	G02B13/04	主分类号	G02B13/04
代理机构		代理人
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