Digital class 5 telephone switches
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Publication
1979 - IRD, Norwalk, Conn, Connecticut
Language
English
Word Count
51,250 words, Guess
Page Count
205 pages
Identifiers
- Library of Congress Control Number80107449
- Open LibraryOL4130268M
Classifications
- DDC381/.45621387
- LCCHD9697.T453 U54 1979
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