NL108572C - - Google Patents
Info
- Publication number
- NL108572C NL108572C NL108572DA NL108572C NL 108572 C NL108572 C NL 108572C NL 108572D A NL108572D A NL 108572DA NL 108572 C NL108572 C NL 108572C
- Authority
- NL
- Netherlands
Links
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
- G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage
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- G—PHYSICS
- G08—SIGNALLING
- 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
- G08B17/113—Constructional details
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR750112 | 1957-05-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL108572C true NL108572C (en, 2012) |
Family
ID=8704969
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL108572D NL108572C (en, 2012) | 1957-05-24 | ||
NL6405631A NL6405631A (en, 2012) | 1957-05-24 | 1964-05-21 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6405631A NL6405631A (en, 2012) | 1957-05-24 | 1964-05-21 |
Country Status (1)
Country | Link |
---|---|
NL (2) | NL6405631A (en, 2012) |
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0
- NL NL108572D patent/NL108572C/xx active
-
1964
- 1964-05-21 NL NL6405631A patent/NL6405631A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
NL6405631A (en, 2012) | 1964-07-10 |