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Terms for subject Electronics containing number portability | all forms | exact matches only | in specified order only
| English | Chinese |
| mobile telephone number portability service | 移动电话不改号业务 |
| mobile telephone number portability service | 移动电话号码携带业务 |
| number portability service | 移动不改号业务 |
| number portability service | 号码流动［携带］业务 |