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Creation Date 

1. Before 1961  (2,713)
2. 1961 To 1976  (31,924)
3. 1977 To 1992  (94,322)
4. 1993 To 2009  (265,841)
5. After 2009  (281,314)
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New Records 

1. New From Last Month  (13,935)
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Resource Type 

1. Patents  (677,604)
2. Articles  (2)
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Subject 

1. Information Storage  (677,604)
2. Physics  (677,604)
3. Electricity  (233,054)
4. Basic Electric Elements  (151,659)
5. Calculating  (147,066)
6. Computing  (147,066)
7. Counting  (147,066)
8. Semiconductor Devices  (143,405)
9. Electric Solid State Devices Not Otherwise Provided For  (143,405)
10. Electric Digital Data Processing  (134,768)
11. Basic Electronic Circuitry  (68,254)
12. Pulse Technique  (50,449)
13. Measuring  (31,031)
14. Testing  (31,031)
15. Measuring Magnetic Variables  (26,199)
16. Measuring Electric Variables  (26,199)
17. Electric Communication Technique  (24,875)
18. Cryptography  (21,318)
19. Advertising  (21,318)
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Databases 

1. esp@cenet  (677,604)
2. UAB Digital Repository  (1)
3. Recercat  (1)
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Language 

1. English  (605,733)
2. Chinese  (93,211)
3. French  (66,657)
4. German  (61,426)
5. Korean  (57,165)
6. Japanese  (13,270)
7. Russian  (3,505)
8. Italian  (2,636)
9. Dutch  (1,479)
10. Spanish  (1,297)
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12. Portuguese  (767)
13. Norwegian  (360)
14. Danish  (272)
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16. Polish  (129)
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18. Ukrainian  (77)
19. Hungarian  (58)
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