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KJOBENHAVNS LAMPE OG LYSEKRONE
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KJOBENHAVNS LAMPE OG LYSEKRONE
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Application filed by KJOBENHAVNS LAMPE OG LYSEKRONEfiledCriticalKJOBENHAVNS LAMPE OG LYSEKRONE
Application grantedgrantedCritical
Publication of FR662074ApublicationCriticalpatent/FR662074A/fr
F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
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Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR662074D1928-10-121928-10-12Perfectionnements aux garnitures à abat-jour réflecteurs pour lampes à incandescence
ExpiredFR662074A
(fr)