00768nam0-22002531i-450-99000400272040332120040224153611.0000400272FED01000400272(Aleph)000400272FED0100040027220040109d--------km-y0itay50------baengManual for illuminating engineer on large size perfect diffusorsZijl H.EindhovenN.V. Philips Gloeilampenfabrieken1951illumintecnicaZijl,H.361792ITUNINARICAUNIMARCBK99000400272040332100 I15422776DETECDETECManual for illuminating engineer on large size perfect diffusors472329UNINA