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telegraphic code | |||
ABC code; code | |||
telegraphic test key | |||
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cable code |
电报密码: 32 phrases in 11 subjects |
Business | 9 |
Commerce | 1 |
Cryptography | 1 |
Economy | 3 |
Electronics | 1 |
General | 1 |
International trade | 12 |
Security systems | 1 |
Shipbuilding | 1 |
Space | 1 |
Textile industry | 1 |