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Application filed by Gkn Stenman AbfiledCriticalGkn Stenman Ab
Publication of FI356374ApublicationCriticalpatent/FI356374A/fi
Application grantedgrantedCritical
Publication of FI54381BpublicationCriticalpatent/FI54381B/en
Publication of FI54381CpublicationCriticalpatent/FI54381C/en
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
E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
E05F3/22—Additional arrangements for closers, e.g. for holding the wing in opened or other position
FI3563/74A1974-01-221974-12-11
ANORDING WITH DOOR RING FOR FAILURE OF FOLLOWING
FI54381C
(en)