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Creation Date 

1. Before 1985  (1)
2. 1985 To 2005  (1)
3. 2006 To 2008  (1)
4. 2009 To 2011  (2)
5. After 2011  (3)
6. More options 

Subject 

1. Production Of Cellulose  (6)
2. Paper-Making  (6)
3. Paper Not Otherwise Provided For  (3)
4. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (3)
5. Impregnating Or Coating Of Paper  (3)
6. Pulp Compositions  (3)
7. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (3)
8. Handling Thin Or Filamentary Material  (2)
9. Lining Machines  (2)
10. Stamps  (2)
11. Conveying  (2)
12. Packaging Elements  (2)
13. Storing  (2)
14. Accessories, Closures, Or Fittings Therefor  (2)
15. Packages  (2)
16. Printing  (2)
17. Packing  (2)
18. More options 

Language 

1. Chinese  (3)
2. Korean  (2)
3. More options