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protection : 1481 phrases in 74 subjects |
| Agriculture | 30 |
| Animal husbandry | 1 |
| Antennas and waveguides | 1 |
| Art | 3 |
| Cables and cable production | 1 |
| Chemistry | 7 |
| Commerce | 7 |
| Communications | 27 |
| Construction | 19 |
| Criminal law | 3 |
| Cultural studies | 5 |
| Data processing | 1 |
| Earth sciences | 12 |
| Economy | 37 |
| Education | 3 |
| Electric machinery | 19 |
| Electric traction | 1 |
| Electrical engineering | 5 |
| Electronics | 184 |
| Energy industry | 3 |
| Environment | 172 |
| Finances | 31 |
| Fish farming pisciculture | 8 |
| Forestry | 23 |
| General | 150 |
| Health care | 58 |
| Hobbies and pastimes | 1 |
| Human rights activism | 29 |
| Immigration and citizenship | 25 |
| Industry | 21 |
| Information technology | 85 |
| Insurance | 1 |
| International law | 1 |
| International trade | 1 |
| Isolation | 3 |
| Labor law | 38 |
| Law | 150 |
| Life sciences | 11 |
| Lighting other than cinema | 1 |
| Magnetics | 1 |
| Materials science | 11 |
| Mathematics | 3 |
| Mechanic engineering | 23 |
| Medical | 9 |
| Metallurgy | 14 |
| Microsoft | 26 |
| Natural resourses and wildlife conservation | 1 |
| Natural sciences | 11 |
| Nuclear and fusion power | 1 |
| Nuclear physics | 5 |
| Obsolete / dated | 15 |
| Patents | 30 |
| Pharmacy and pharmacology | 2 |
| Politics | 29 |
| Power lines | 3 |
| Private international law | 2 |
| Procedural law | 6 |
| Radio | 9 |
| Radiology | 1 |
| Rail transport | 6 |
| Religion | 1 |
| Research and development | 2 |
| Social science | 8 |
| Sociology | 4 |
| Statistics | 6 |
| Technology | 3 |
| Telegraphy | 1 |
| Trade unions | 9 |
| Transformers | 3 |
| Transport | 48 |
| United Nations | 4 |
| Welding | 2 |
| Wind Energy | 1 |
| Work flow | 3 |
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