Improvements in or relating to cinematographic apparatus,申请号GB19300018303-传众专利搜索

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发明名称	Improvements in or relating to cinematographic apparatus
摘要
申请公布号	GB356324(A)	申请公布日期	1931.09.10
申请号	GB19300018303	申请日期	1930.06.14
申请人	BENJAMIN ELLAN LUBOSHEZ	发明人
分类号	G03B21/32;G03B21/40	主分类号	G03B21/32
代理机构		代理人
主权项
地址

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