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Creation Date 

1. Before 1959  (31,237)
2. 1959 To 1973  (65,629)
3. 1974 To 1988  (146,978)
4. 1989 To 2004  (237,192)
5. After 2004  (490,517)
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Subject 

1. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (611,548)
2. Technical Subjects Covered By Former Uspc  (394,545)
3. Climate Change Mitigation Technologies In The Production Orprocessing Of Goods  (331,526)
4. Transporting  (307,214)
5. Performing Operations  (307,214)
6. Technical Subjects Covered By Former Us Classification  (242,827)
7. Compositions Based Thereon  (187,289)
8. Their Preparation Or Chemical Working-Up  (187,289)
9. Organic Macromolecular Compounds  (187,289)
10. Technical Subjects Covered By Former Uspc Cross-Reference Artcollections [xracs] And Digests  (184,320)
11. Climate Change Mitigation Technologies Related To Wastewatertreatment Or Waste Management  (181,484)
12. Physical Or Chemical Processes Or Apparatus In General  (144,287)
13. Organic Chemistry  (143,978)
14. Treatment Of Water, Waste Water, Sewage, Or Sludge  (125,595)
15. Electricity  (119,297)
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Language 

1. English  (841,179)
2. Chinese  (160,183)
3. French  (152,450)
4. German  (113,212)
5. Korean  (33,570)
6. Japanese  (23,100)
7. Russian  (17,352)
8. Spanish  (12,196)
9. Portuguese  (8,790)
10. Swedish  (4,836)
11. Dutch  (4,453)
12. Italian  (2,883)
13. Finnish  (2,680)
14. Danish  (2,619)
15. Polish  (1,922)
16. Norwegian  (1,718)
17. Czech  (1,020)
18. Romanian  (865)
19. Ukrainian  (852)
20. Turkish  (237)
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