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ลำดับที่LC คำอธิบาย
1 Electrical engineering. Electronics. Nuclear engineering
2 Production of electric energy or power. Powerplants. Central stations
3 Dynamoelectric machinery and auxiliaries Including generators, motors, transformers
4 Production of electricity by direct energy conversion
5 Distribution or transmission of electric power
6 Electric meters
7 Applications of electric power
8 Electric lighting
9 Electric apparatus and materials. Electric circuits. Electric networks
10 Electric heating
11 Telecommunication Including telegraphy, telephone, radio, radar, television
12 Electronics
13 Computer engineering. Computer hardware
14 Photoelectronic devices (General)
15 Nuclear engineering. Atomic power
16 Electricity for amateurs. Amateur constructors' manuals
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