Improvements in or relating to kinematograph film-gates,申请号GB19310012487-传众专利搜索

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发明名称	Improvements in or relating to kinematograph film-gates
摘要
申请公布号	GB373371(A)	申请公布日期	1932.05.26
申请号	GB19310012487	申请日期	1931.04.28
申请人	PATHE CINEMA, ANCIENS ETABLISSEMENTS PATHE FRERES	发明人
分类号	G03B1/56	主分类号	G03B1/56
代理机构		代理人
主权项
地址

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