CH571749A5CH719074ACH719074ACH571749A5CH 571749 A5CH571749 A5CH 571749A5CH 719074 ACH719074 ACH 719074ACH 719074 ACH719074 ACH 719074ACH 571749 A5CH571749 A5CH 571749A5
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CH
Switzerland
Application number
CH719074A
Original Assignee
Rft Messelektronik Dresden Veb
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Publication date
Application filed by Rft Messelektronik Dresden VebfiledCriticalRft Messelektronik Dresden Veb
Publication of CH571749A5publicationCriticalpatent/CH571749A5/xx
G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
G08B17/00—Fire alarms; Alarms responsive to explosion
G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
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Chemical & Material Sciences
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Analytical Chemistry
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Business, Economics & Management
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Emergency Management
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Physics & Mathematics
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General Physics & Mathematics
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Other Investigation Or Analysis Of Materials By Electrical Means
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