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Publication date
Application filed by Franz DuhanfiledCriticalFranz Duhan
Application grantedgrantedCritical
Publication of AT177692BpublicationCriticalpatent/AT177692B/de
E05B63/00—Locks or fastenings with special structural characteristics
E05B63/18—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position
E05B63/20—Locks or fastenings with special structural characteristics with arrangements independent of the locking mechanism for retaining the bolt or latch in the retracted position released automatically when the wing is closed
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Engineering & Computer Science
(AREA)
Structural Engineering
(AREA)
AT177692D1952-10-211952-10-21Verriegelungsvorrichtung für doppelflügelige Türen, Fenster od. dgl.
AT177692B
(de)