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| customer support (A business department that deals with routine inquiries and complaints from customers) | |||
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| customer service | |||
| client service | |||
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service client : 21 do fraz, 5 tematyki |
| Komunikacja | 4 |
| Lotnictwo | 4 |
| Microsoftu | 8 |
| Międzynarodowy fundusz walutowy | 2 |
| Polityka | 3 |