Integrated PBX systems
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Format: | Unknown |
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Published: |
Manchester
NCC
1987
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Series: | An NCC state-of-the-art report
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Subjects: | |
Online Access: | Click Here to View Status and Holdings. |
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Item Description: | In slip case |
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Physical Description: | 327p. ill. 30 cm |
ISBN: | 0850126665 9780850126662 |