CH375442A - Vorrichtung zum Erzeugen eines elektrischen Lichtbogens, insbesondere für Filmbildwerfer
- Google Patents
Vorrichtung zum Erzeugen eines elektrischen Lichtbogens, insbesondere für Filmbildwerfer
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Publication number
CH375442A
CH375442ACH7818559ACH7818559ACH375442ACH 375442 ACH375442 ACH 375442ACH 7818559 ACH7818559 ACH 7818559ACH 7818559 ACH7818559 ACH 7818559ACH 375442 ACH375442 ACH 375442A
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Application filed by Philips NvfiledCriticalPhilips Nv
Publication of CH375442ApublicationCriticalpatent/CH375442A/de