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B FRANCK ET SES FILS ETS
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B FRANCK ET SES FILS ETS
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Application filed by B FRANCK ET SES FILS ETSfiledCriticalB FRANCK ET SES FILS ETS
Application grantedgrantedCritical
Publication of FR750151ApublicationCriticalpatent/FR750151A/fr
F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
Landscapes
Engineering & Computer Science
(AREA)
General Engineering & Computer Science
(AREA)
FR750151D1933-01-211933-01-21Abat-jour ou réflecteur en matière opaque
ExpiredFR750151A
(fr)