Motion picture screen,申请号US19280244404-传众专利搜索

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法人/股东/高管

发明名称	Motion picture screen
摘要
申请公布号	US1846357(A)	申请公布日期	1932.02.23
申请号	US19280244404	申请日期	1928.01.04
申请人	LOUIS RAVEN ALBERT	发明人	RAVEN ALBERT LOUIS
分类号	G03B21/56	主分类号	G03B21/56
代理机构		代理人
主权项
地址

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