Constructions Electroniques de la Ferte-sousJouarre, SA

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Information Patent Grant
Emergency door opening device
- Patent number 4,906,034
- Issue date Mar 6, 1990
- Constructions Electroniques de la Ferte-sousJouarre, SA
- Alain Verslycken
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Surveillance and control system for emergency exists installed in a...
- Patent number 4,652,862
- Issue date Mar 24, 1987
- Constructions Electroniques de la Ferte Sous Jouarre
- Alain R. Verslycken
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

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