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Creation Date 

1. Before 1963  (57)
2. 1963 To 1976  (261)
3. 1977 To 1990  (422)
4. 1991 To 2005  (795)
5. After 2005  (956)
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Subject 

1. Textiles  (2,406)
2. Production Of Cellulose  (2,401)
3. Paper-Making  (2,401)
4. Technical Subjects Covered By Former Uspc  (1,739)
5. Paper Not Otherwise Provided For  (1,729)
6. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (1,729)
7. Impregnating Or Coating Of Paper  (1,729)
8. Pulp Compositions  (1,729)
9. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (1,729)
10. Technical Subjects Covered By Former Us Classification  (1,471)
11. Compositions Based Thereon  (1,211)
12. Their Preparation Or Chemical Working-Up  (1,211)
13. Organic Macromolecular Compounds  (1,211)
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Language 

1. English  (2,321)
2. French  (519)
3. German  (282)
4. Finnish  (89)
5. Swedish  (58)
6. Chinese  (32)
7. Russian  (18)
8. Norwegian  (14)
9. Polish  (8)
10. Japanese  (6)
11. Dutch  (6)
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17. Serbian  (2)
18. Italian  (2)
19. Czech  (1)
20. Spanish  (1)
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