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Creation Date 

1. Before 2010  (1)
2. 2010 To 2010  (1)
3. 2011 To 2011  (2)
4. 2012 To 2018  (2)
5. After 2018  (1)
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Subject 

1. Manufacture Of Assemblages Of Electrical Components  (2)
2. Printed Circuits  (2)
3. Semiconductor Devices  (2)
4. Boards, Substations, Or Switching Arrangements For The Supplyor Distribution Of Electric Power  (2)
5. Casings Or Constructional Details Of Electric Apparatus  (2)
6. Conversion Or Distribution Of Electric Power  (2)
7. Basic Electric Elements  (2)
8. Organic Chemistry  (2)
9. Electric Techniques Not Otherwise Provided For  (2)
10. Chemistry  (2)
11. Metallurgy  (2)
12. Heterocyclic Compounds  (2)
13. Generation  (2)
14. Electric Solid State Devices Not Otherwise Provided For  (2)
15. Hoisting  (1)
16. Hauling  (1)
17. Cranes  (1)
18. Load-Engaging Elements Or Devices For Cranes, Capstans,winches, Or Tackles  (1)
19. Lifting  (1)
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Language 

1. Chinese  (4)
2. French  (1)
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