FR558753A - - Google Patents
Info
- Publication number
- FR558753A FR558753A FR558753DA FR558753A FR 558753 A FR558753 A FR 558753A FR 558753D A FR558753D A FR 558753DA FR 558753 A FR558753 A FR 558753A
- Authority
- FR
- France
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Safety Valves (AREA)
- Fluid-Driven Valves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2895122A GB206684A (en) | 1922-10-24 | 1922-10-24 | Improvements in automatic water softening apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR558753A true FR558753A (ref) | 1923-09-03 |
Family
ID=10283827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR558753D Expired FR558753A (ref) | 1922-10-24 |
Country Status (3)
| Country | Link |
|---|---|
| FR (1) | FR558753A (ref) |
| GB (1) | GB206684A (ref) |
| NL (1) | NL24400C (ref) |
-
0
- NL NL24400D patent/NL24400C/xx active
- FR FR558753D patent/FR558753A/fr not_active Expired
-
1922
- 1922-10-24 GB GB2895122A patent/GB206684A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB206684A (en) | 1923-11-15 |
| NL24400C (ref) |