Refine My Results

Creation Date 

1. Before 1966  (27)
2. 1966 To 1979  (2,820)
3. 1980 To 1993  (6,270)
4. 1994 To 2008  (13,109)
5. After 2008  (3,512)
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New Records 

1. New From Last Month  (7)
2. New From Last 3 Month  (121)
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Subject 

1. Methods Of Producing Paper Thereon  (8,937)
2. Paper-Making Machines  (8,937)
3. Apparatus Therefor  (7,294)
4. Regeneration Of Pulping Liquors  (7,254)
5. Production Of Cellulose By Removing Non-Cellulose Substancesfrom Cellulose-Containing Materials  (7,254)
6. Transporting  (7,174)
7. Performing Operations  (7,174)
8. Paper Not Otherwise Provided For  (6,465)
9. Preparation Thereof Not Covered By Subclasses D21c Or D21d  (6,465)
10. Impregnating Or Coating Of Paper  (6,465)
11. Pulp Compositions  (6,465)
12. Treatment Of Finished Paper Not Covered By Class B31 Or Subclass D21g  (6,465)
13. Accessories For Paper-Making Machines  (3,887)
14. Calenders  (3,887)
15. Metallurgy  (3,686)
16. Chemistry  (3,686)
17. Blasting  (2,807)
18. More options 

Language 

1. Finnish  (16,443)
2. English  (1,785)
3. French  (24)
4. German  (4)
5. Vietnamese  (1)
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