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Creation Date 

1. Before 2002  (1)
2. 2002 To 2005  (1)
3. 2006 To 2007  (1)
4. 2008 To 2011  (3)
5. After 2011  (7)
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Subject 

1. Educational Or Demonstration Appliances  (2)
2. Cryptography  (2)
3. Planetaria  (2)
4. Education  (2)
5. Physics  (2)
6. Appliances For Teaching, Or Communicating With, The Blind,deaf Or Mute  (2)
7. Display  (2)
8. Layered Products  (2)
9. Diagrams  (2)
10. Globes  (2)
11. Advertising  (2)
12. Seals  (2)
13. Accessories, Closures, Or Fittings Therefor  (1)
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Language 

1. Korean  (6)
2. Chinese  (5)
3. French  (2)
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