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J A JOHN
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J A JOHN
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Publication of FR430882ApublicationCriticalpatent/FR430882A/fr
E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
FR430882D1911-06-121911-06-12Dispositif pour ouvrir et fermer les lucarnes-jalousies
ExpiredFR430882A
(fr)