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Creation Date 

1. Before 1990  (10)
2. 1990 To 1997  (16)
3. 1998 To 2006  (24)
4. 2007 To 2017  (20)
5. After 2017  (39)
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Resource Type 

1. Patents  (106)
2. Articles  (2)
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Subject 

1. Textiles  (105)
2. Production Of Cellulose  (105)
3. Paper-Making  (105)
4. Paper Not Otherwise Provided For  (65)
5. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (65)
6. Impregnating Or Coating Of Paper  (65)
7. Pulp Compositions  (65)
8. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (65)
9. Chemistry  (59)
10. Metallurgy  (59)
11. Transporting  (40)
12. Performing Operations  (40)
13. Regeneration Of Pulping Liquors  (36)
14. Apparatus Therefor  (36)
15. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (36)
16. Compositions Based Thereon  (32)
17. Their Preparation Or Chemical Working-Up  (32)
18. Organic Macromolecular Compounds  (32)
19. Fibrous Raw Materials Or Their Mechanical Treatment  (20)
20. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (19)
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Databases 

1. esp@cenet  (106)
2. DOAJ Directory of Open Access Journals  (2)
3. IAMCR Open Access Journals  (2)
4. tidsskrift.dk  (2)
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