Refine My Results

Creation Date 

1. Before 1960  (21,361)
2. 1960 To 1975  (30,346)
3. 1976 To 1991  (76,213)
4. 1992 To 2008  (74,005)
5. After 2008  (153,172)
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New Records 

1. New From Last Month  (860)
2. New From Last 3 Month  (9,878)
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Subject 

1. Chemistry  (328,769)
2. Metallurgy  (328,769)
3. Ferrous Or Non-Ferrous Alloys  (325,276)
4. Treatment Of Alloys Or Non-Ferrous Metals  (325,276)
5. Pretreatment Of Raw Materials  (325,247)
6. Production And Refining Of Metals  (325,247)
7. Transporting  (92,073)
8. Performing Operations  (92,073)
9. Technical Subjects Covered By Former Uspc Cross-Reference Art Collections [xracs] And Digests  (69,481)
10. General Tagging Of Cross-Sectional Technologies Spanning Over Several Sections Of The Ipc  (69,481)
11. General Tagging Of New Technological Developments  (69,481)
12. Technologies Or Applications For Mitigation Or Adaptation Againstclimate Change  (67,711)
13. Climate Change Mitigation Technologies In The Production Orprocessing Of Goods  (61,571)
14. Inorganic Chemistry  (50,151)
15. Physical Or Chemical Processes Or Apparatus In General  (39,919)
16. Lighting  (38,038)
17. Weapons  (38,038)
18. Blasting  (38,038)
19. Heating  (38,038)
20. Mechanical Engineering  (38,038)
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Language 

1. English  (277,218)
2. Chinese  (81,124)
3. French  (48,715)
4. German  (35,369)
5. Russian  (12,181)
6. Spanish  (9,668)
7. Japanese  (9,551)
8. Korean  (9,107)
9. Finnish  (5,447)
10. Portuguese  (5,372)
11. Swedish  (4,968)
12. Norwegian  (2,837)
13. Italian  (2,334)
14. Polish  (1,411)
15. Dutch  (1,182)
16. Danish  (919)
17. Ukrainian  (912)
18. Romanian  (764)
19. Czech  (347)
20. Turkish  (301)
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