FR816647A - Warning device operating according to the conductivity of a liquid - Google Patents
Warning device operating according to the conductivity of a liquidInfo
- Publication number
- FR816647A FR816647A FR816647DA FR816647A FR 816647 A FR816647 A FR 816647A FR 816647D A FR816647D A FR 816647DA FR 816647 A FR816647 A FR 816647A
- Authority
- FR
- France
- Prior art keywords
- conductivity
- liquid
- warning device
- device operating
- operating according
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/42—Applications, arrangements, or dispositions of alarm or automatic safety devices
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR816647T | 1937-01-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR816647A true FR816647A (en) | 1937-08-12 |
Family
ID=9267905
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR816647D Expired FR816647A (en) | 1937-01-21 | 1937-01-21 | Warning device operating according to the conductivity of a liquid |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR816647A (en) |
-
1937
- 1937-01-21 FR FR816647D patent/FR816647A/en not_active Expired
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