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1. Paper-Making Machines  (2)
2. Their Relevant Apparatus  (2)
3. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (2)
4. Transporting  (2)
5. Performing Operations  (2)
6. Chemical Or Physical Processes, E.G. Catalysis Or Colloidchemistry  (2)
7. Methods Of Producing Paper Thereon  (2)
8. Treatment Of The Materials Before Passing To The Paper-Makingmachine  (2)
9. Regeneration Of Pulping Liquors  (2)
10. Physical Or Chemical Processes Or Apparatus In General  (2)
11. Apparatus Therefor  (2)
12. Fibreboard  (1)
13. Manufacture Of Articles From Cellulosic Fibrous Suspensions Orfrom Papier-Mache  (1)
14. Fibrous Raw Materials Or Their Mechanical Treatment  (1)
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