FR49176E - Warning device for the presence of lighting gas in living rooms - Google Patents
Warning device for the presence of lighting gas in living roomsInfo
- Publication number
- FR49176E FR49176E FR49176DA FR49176E FR 49176 E FR49176 E FR 49176E FR 49176D A FR49176D A FR 49176DA FR 49176 E FR49176 E FR 49176E
- Authority
- FR
- France
- Prior art keywords
- warning device
- living rooms
- lighting gas
- lighting
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
- G01N25/22—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures
- G01N25/44—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the heat developed being transferred to a fixed quantity of fluid
- G01N25/46—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity on combustion or catalytic oxidation, e.g. of components of gas mixtures the heat developed being transferred to a fixed quantity of fluid for investigating the composition of gas mixtures
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR49176T | 1937-12-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR49176E true FR49176E (en) | 1938-11-28 |
Family
ID=8684387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR49176D Expired FR49176E (en) | 1937-12-11 | 1937-12-11 | Warning device for the presence of lighting gas in living rooms |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR49176E (en) |
-
1937
- 1937-12-11 FR FR49176D patent/FR49176E/en not_active Expired
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