Improvements in slides for use in optical projection apparatus,申请号GB19360005406-传众专利搜索

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发明名称	Improvements in slides for use in optical projection apparatus
摘要
申请公布号	GB460344(A)	申请公布日期	1937.01.26
申请号	GB19360005406	申请日期	1936.02.22
申请人	FRANK CARROLL BRADY	发明人
分类号	G03B21/64	主分类号	G03B21/64
代理机构		代理人
主权项
地址

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