FR485958A - Éprouvette à gaz - Google Patents
Éprouvette à gazInfo
- Publication number
- FR485958A FR485958A FR485958DA FR485958A FR 485958 A FR485958 A FR 485958A FR 485958D A FR485958D A FR 485958DA FR 485958 A FR485958 A FR 485958A
- Authority
- FR
- France
- Prior art keywords
- test tube
- gas test
- gas
- tube
- test
- 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
- G01N7/00—Analysing materials by measuring the pressure or volume of a gas or vapour
- G01N7/10—Analysing materials by measuring the pressure or volume of a gas or vapour by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9798/16A GB107811A (en) | 1916-07-12 | 1916-07-12 | Improvements in or relating to Gas-testing Apparatus. |
Publications (1)
Publication Number | Publication Date |
---|---|
FR485958A true FR485958A (fr) | 1918-02-26 |
Family
ID=43801963
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR485958D Expired FR485958A (fr) | 1916-07-12 | 1917-06-22 | Éprouvette à gaz |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR485958A (fr) |
GB (1) | GB107811A (fr) |
NL (1) | NL4135C (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2940834A (en) * | 1958-02-03 | 1960-06-14 | Ringrose Henry Thomas | Apparatus for detecting and indicating the presence and amounts of co2 in an atmosphere |
-
0
- NL NL4135D patent/NL4135C/xx active
-
1916
- 1916-07-12 GB GB9798/16A patent/GB107811A/en not_active Expired
-
1917
- 1917-06-22 FR FR485958D patent/FR485958A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL4135C (fr) | |
GB107811A (en) | 1917-07-12 |
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