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| English | Russian |
| line number | абонентский номер (If the subscriber has given his line number correctly to the operator, the tone current will be detected by 'the operator and the operator may then make out the ... With the dialling of his line number a connection is extended through the link, which ... Alexander Demidov) |
| sequential line number | линейный порядковый номер |
| starting line number | номер по порядку (Sl.No. triumfov) |