A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Fire alarm
Newness and distinctiveness is claimed in those features of shape and/or configuration of a fire alarm illustrated in continuous lines in the accompanying representations.
Fire alarm
Newness and distinctiveness is claimed in those features of shape and/or configuration of a fire alarm illustrated in continuous lines in the accompanying representations.
Fire alarm
2017-06-02
Patent
Electronic Resource
English
Fire Alarm System Without Alarm
British Library Online Contents | 1993
Online Contents | 1995
| NTIS | 1979