Unitary synchronized talking machine and picture exhibitor,申请号GB19300017472-传众专利搜索

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发明名称	Unitary synchronized talking machine and picture exhibitor
摘要
申请公布号	GB358498(A)	申请公布日期	1931.10.05
申请号	GB19300017472	申请日期	1930.06.05
申请人	JOHN JACOB GETGEY	发明人
分类号	G03B31/00	主分类号	G03B31/00
代理机构		代理人
主权项
地址

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