Optical means for producing color cinematographic pictures,申请号US19270185033-传众专利搜索

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发明名称	Optical means for producing color cinematographic pictures
摘要
申请公布号	US1752680(A)	申请公布日期	1930.04.01
申请号	US19270185033	申请日期	1927.04.19
申请人	KARL MARTIN;PAUL TIETZE	发明人	MARTIN KARL;TIETZE PAUL
分类号	G02B27/14	主分类号	G02B27/14
代理机构		代理人
主权项
地址

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