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| 签名〔字〕人〔者〕; 用手势示意者 | |||
| 签字人 | |||
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signer : 10 phrases in 7 subjects |
| Aviation | 1 |
| Cryptography | 1 |
| Economy | 2 |
| Electronics | 1 |
| Finances | 1 |
| Multimedia | 1 |
| Technology | 3 |
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