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G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B5/00—Visible signalling systems, e.g. personal calling systems, remote indication of seats occupied
G08B5/004—Reflective safety signalling devices attached on persons
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FR813283D1936-01-311936-01-31Dispositif de sécurité pour piétons et cyclistes, destiné à permettre leur signalisation aux automobilistes
ExpiredFR813283A
(fr)