TK 1-9971 |
Electrical engineering. Electronics. Nuclear engineering. |
TK 301-399 |
Electric meters. |
TK 452-454.4 |
Electric apparatus and materials. Electric circuits. Electric networks. |
TK 1001-1841 |
Production of electric energy or power. Power plants. Central stations. |
TK 2000-2891 |
Dynamoelectric machinery and auxiliaries including generators, motors and transformers. |
TK 2896-2985 |
Production of electricity by direct energy conversion. |
TK 3001-3521 |
Distribution or transmission of electric power. |
TK 4001-4102 |
Applications of electric power. |
TK 4125-4399 |
Electric lighting. |
TK 4601-4661 |
Electric heating. |
TK 5101-6720 |
Telecommunication including telegraphy, telephone, radio, radar, television. |
TK 7800-8360 |
Electronics. |
TK 7885-7895 |
Computer engineering. Computer hardware. |
TK 8300-8360 |
Photoelectric devices (general) |
TK 9001-9401 |
Nuclear Engineering. Atomic power. |
TK 9900-9971 |
Electricity for armatures. Armature constructors' manuals. |