Procédé pour l'illumination électrique d'affiches, de réclames, de panneaux lumineux, etc., et installation pour sa mise en oeuvre

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Bibliographic Details
Main Author WOOLMAN CORNELIA MILLER
Format Patent
LanguageFrench
Published 02.05.1917
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
PHYSICS
SEALS
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Bibliography:Application Number: FRD482883