Motion picture apparatus,申请号US19290334069-传众专利搜索

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发明名称	Motion picture apparatus
摘要
申请公布号	US1825253(A)	申请公布日期	1931.09.29
申请号	US19290334069	申请日期	1929.01.21
申请人	FERDINAND VICTOR ALEXANDER	发明人	VICTOR ALEXANDER FERDINAND
分类号	G03B21/46	主分类号	G03B21/46
代理机构		代理人
主权项
地址

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