ISDN in the office - HICOM : technology and applications of the HICOM ISDN communication system
36
Формат: | |
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Хэвлэсэн: |
Berlin : Siemens Aktiengesellshaff,
1985
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Нөхцлүүд: |
36
Формат: | |
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Хэвлэсэн: |
Berlin : Siemens Aktiengesellshaff,
1985
|
Нөхцлүүд: |