| More topics under "C09H - Preparation of glue or gelatine" (841) |
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| C09H 1 - Pretreatment of collagen-containing raw materials for the manufacture of glue (246) |
| C09H 3 - Isolation of glue or gelatine from raw materials, e.g. by extracting, by heating (327) |
| C09H 5 - Stabilisation of solutions of glue or gelatine (51) |
| C09H 7 - Preparation of water-insoluble gelatine (109) |
| C09H 9 - Drying of glue or gelatine (108) |