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Creation Date 

1. Before 1999  (6)
2. 1999 To 2001  (5)
3. 2002 To 2005  (2)
4. 2006 To 2014  (3)
5. After 2014  (1)
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Subject 

1. Textiles  (14)
2. Production Of Cellulose  (13)
3. Paper-Making  (13)
4. Paper Not Otherwise Provided For  (10)
5. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (10)
6. Impregnating Or Coating Of Paper  (10)
7. Pulp Compositions  (10)
8. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (10)
9. Transporting  (8)
10. Performing Operations  (8)
11. Chemistry  (6)
12. Metallurgy  (6)
13. Compositions Based Thereon  (5)
14. Their Preparation Or Chemical Working-Up  (5)
15. Organic Macromolecular Compounds  (5)
16. Manufacture Of Articles From Cellulosic Fibrous Suspensions Orfrom Papier-Mache  (4)
17. Working Of Substances In A Plastic State, In General  (4)
18. Fibreboard  (4)
19. Working Of Plastics  (4)
20. Adhesives  (3)
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