 |
| |||
| Koch Robert | |||
| 科赫: 32 phrases in 11 subjects |
| Chemistry | 5 |
| Explosives and Explosive Ordnance Disposal | 4 |
| General | 1 |
| Latin | 1 |
| Medical | 1 |
| Metallurgy | 2 |
| Name of organization | 1 |
| Space | 1 |
| Surgery | 2 |
| Technology | 12 |
| Textile industry | 2 |
|
| |||
| Koch Robert | |||
| 科赫: 32 phrases in 11 subjects |
| Chemistry | 5 |
| Explosives and Explosive Ordnance Disposal | 4 |
| General | 1 |
| Latin | 1 |
| Medical | 1 |
| Metallurgy | 2 |
| Name of organization | 1 |
| Space | 1 |
| Surgery | 2 |
| Technology | 12 |
| Textile industry | 2 |