FR601757A - - Google Patents
Info
- Publication number
- FR601757A FR601757A FR601757DA FR601757A FR 601757 A FR601757 A FR 601757A FR 601757D A FR601757D A FR 601757DA FR 601757 A FR601757 A FR 601757A
- 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
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
- D21C3/10—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites magnesium bisulfite
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR601757A true FR601757A (fr) | 1926-03-08 |
Family
ID=1540468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR601757D Expired FR601757A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR601757A (fr) |
-
0
- FR FR601757D patent/FR601757A/fr not_active Expired