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Creation Date 

1. Before 1993  (1)
2. 1993 To 2015  (1)
3. 2016 To 2017  (1)
4. 2018 To 2021  (3)
5. After 2021  (3)
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Subject 

1. Nailing Or Stapling Machines In General  (4)
2. Working Or Preserving Wood Or Similar Material  (4)
3. Mechanical Working Of Cane, Cork, Or Similar Materials  (3)
4. Splitting Wood  (2)
5. Textiles  (2)
6. Paper Not Otherwise Provided For  (2)
7. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (2)
8. Impregnating Or Coating Of Paper  (2)
9. Production Of Cellulose  (2)
10. Manufacture Of Veneer, Wooden Sticks, Wood Shavings, Woodfibres Or Wood Powder  (2)
11. Removing Bark Or Vestiges Of Branches  (2)
12. Pulp Compositions  (2)
13. Manufacture Of Specific Wooden Articles  (2)
14. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (2)
15. Fibrous Raw Materials Or Their Mechanical Treatment  (2)
16. Working Of Wood Not Provided For In Subclasses B27b - B27l  (2)
17. Paper-Making  (2)
18. Accessories, Closures, Or Fittings Therefor  (1)
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Language 

1. Chinese  (6)
2. English  (4)
3. Japanese  (1)
4. Korean  (1)
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