Method of producing normal light effects,申请号US19290341758-传众专利搜索

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发明名称	Method of producing normal light effects
摘要
申请公布号	US1877512(A)	申请公布日期	1932.09.13
申请号	US19290341758	申请日期	1929.02.21
申请人	NATIONAL PAPER PROCESS COMPANY	发明人	HURLEY ALBERT B.
分类号	G02B5/20;G03C11/10	主分类号	G02B5/20
代理机构		代理人
主权项
地址

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