FR741009A - - Google Patents
Info
- Publication number
- FR741009A FR741009A FR741009DA FR741009A FR 741009 A FR741009 A FR 741009A FR 741009D A FR741009D A FR 741009DA FR 741009 A FR741009 A FR 741009A
- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/685—Devices for dosing the additives
- C02F1/686—Devices for dosing liquid additives
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR741009A true FR741009A (zh) | 1933-02-04 |
Family
ID=1545603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741009D Expired FR741009A (zh) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR741009A (zh) |
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0
- FR FR741009D patent/FR741009A/fr not_active Expired