FR742927A - - Google Patents
Info
- Publication number
- FR742927A FR742927A FR742927DA FR742927A FR 742927 A FR742927 A FR 742927A FR 742927D A FR742927D A FR 742927DA FR 742927 A FR742927 A FR 742927A
- 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
- C02F1/687—Devices for dosing solid compounds
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742927A true FR742927A (en) | 1933-03-18 |
Family
ID=1547257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742927D Expired FR742927A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742927A (en) |
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0
- FR FR742927D patent/FR742927A/fr not_active Expired