BE349831A - - Google Patents
Info
- Publication number
- BE349831A BE349831A BE349831DA BE349831A BE 349831 A BE349831 A BE 349831A BE 349831D A BE349831D A BE 349831DA BE 349831 A BE349831 A BE 349831A
- Authority
- BE
- Belgium
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/082—Assembling eyepieces, lenses or vision-correction means in or on gas-masks
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Silicon Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES84764D DE523485C (de) | 1928-03-23 | 1928-03-23 | Verfahren zur Wiedergewinnung des AEtznatrons aus den stark kieselsaeurehaltigen Endlaugen der Natronzellstoffabriken |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE349831A true BE349831A (https=) | 1900-01-01 |
Family
ID=7511913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE349831D BE349831A (https=) | 1928-03-23 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE349831A (https=) |
| DE (1) | DE523485C (https=) |
| FR (1) | FR664308A (https=) |
| NL (1) | NL40615C (https=) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL102430C (https=) * | 1956-06-18 | 1900-01-01 | ||
| CN1108412C (zh) * | 1995-07-11 | 2003-05-14 | 安德里兹公司 | 从石灰和白泥中分离杂质的方法以及两步法苛化含有杂质如硅的绿液的方法 |
-
0
- BE BE349831D patent/BE349831A/xx unknown
- NL NL40615D patent/NL40615C/xx active
-
1928
- 1928-02-27 FR FR664308D patent/FR664308A/fr not_active Expired
- 1928-03-23 DE DES84764D patent/DE523485C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL40615C (https=) | 1900-01-01 |
| DE523485C (de) | 1931-05-07 |
| FR664308A (fr) | 1929-09-02 |