发明名称 Lighting system for use in a photographic enlarger
摘要 Lighting system of a photographic enlarger having a discharge lamp in the form of a compact fluorescent low-pressure mercury vapor discharge lamp. The house of the lighting system is provided with a window holding a colored plate at the side remote from the enlarger. The lighting system then also functions as a dark room lamp.
申请公布号 US4491410(A) 申请公布日期 1985.01.01
申请号 US19820369788 申请日期 1982.04.19
申请人 U.S. PHILIPS CORPORATION 发明人 HOLLANTS, HENRICUS C. J.
分类号 G03B27/32;G03B27/54;G03D17/00;(IPC1-7):G03B27/54 主分类号 G03B27/32
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