ISDN in the office, HICOM : technology and aplications of the HICOM ISDN communication system /
Siemens Aktiengesellschaft
ISDN in the office, HICOM : technology and aplications of the HICOM ISDN communication system / - c1985
2 Circulación y Préstamo; Circulación y Préstamo
621.3893/S425i
ISDN in the office, HICOM : technology and aplications of the HICOM ISDN communication system / - c1985
2 Circulación y Préstamo; Circulación y Préstamo
621.3893/S425i