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Creation Date 

1. Before 1991  (7)
2. 1991 To 2003  (8)
3. 2004 To 2008  (10)
4. 2009 To 2013  (12)
5. After 2013  (9)
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Subject 

1. Regeneration Of Pulping Liquors  (16)
2. Apparatus Therefor  (16)
3. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (16)
4. Transporting  (12)
5. Performing Operations  (12)
6. Treatment Of The Materials Before Passing To The Paper-Makingmachine  (5)
7. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (4)
8. Paper Not Otherwise Provided For  (4)
9. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (4)
10. Impregnating Or Coating Of Paper  (4)
11. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (4)
12. Nailing Or Stapling Machines In General  (4)
13. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (4)
14. Pulp Compositions  (4)
15. General Tagging Of New Technological Developments  (4)
16. Climate Change Mitigation Technologies Related To Wastewatertreatment Or Waste Management  (4)
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Language 

1. English  (40)
2. French  (1)
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