Process for obtaining contrasts with regenerated cellulose by means of light,申请号GB19310012313-传众专利搜索

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发明名称	Process for obtaining contrasts with regenerated cellulose by means of light
摘要
申请公布号	GB379715(A)	申请公布日期	1932.08.25
申请号	GB19310012313	申请日期	1931.04.25
申请人	N. V. PHILIPS' GLOEILAMPENFABRIEKEN	发明人
分类号	G03C1/66	主分类号	G03C1/66
代理机构		代理人
主权项
地址

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