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1978-03-17 |
1980-05-06 |
International Telephone And Telegraph |
Distributed control digital switching system
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1978-03-17 |
1980-05-06 |
International Telephone And Telegraph |
Multiport digital switching element
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1979-03-15 |
1986-03-03 |
Cselt Centro Studi Lab Telecom |
Autocommutatore telefonico numerico per aree a bassa densita' d'utenza
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1979-09-08 |
1983-07-05 |
Plessey Overseas Limited |
Time division multiplex module for use in digital switching network
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1980-03-24 |
1981-10-22 |
Nec Corp |
Real-time signal processor on multiprocessor system
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GB2083319B
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1980-06-25 |
1984-03-28 |
Plessey Co Ltd |
Digital switching module
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1980-09-25 |
1983-10-25 |
Bell Telephone Laboratories, Incorporated |
Time division switching system
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1981-01-02 |
1983-07-12 |
T-Bar Incorporated |
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1981-01-15 |
1986-10-22 |
Cselt Centro Studi Lab Telecom |
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1981-04-03 |
1988-07-08 |
Telephonie Ind Commerciale |
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1981-04-03 |
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1981-07-20 |
1984-03-27 |
International Telephone & Telegraph Corporation |
Diagnostic system for a distributed control switching network
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1981-09-18 |
1986-02-21 |
Cit Alcatel |
Groupe d'unites de terminaux pour autocommutateur numerique
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1981-09-18 |
1983-03-25 |
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Dispositif de distribution de signaux pour autocommutateur temporel
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1981-09-22 |
1984-05-29 |
The Johns Hopkins University |
Local area communication network
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1982-02-16 |
1983-09-16 |
Philips Nv |
Een binaire kiezertrap en een kiezer en kiezerstelsel voorzien van dergelijke kiezertrappen.
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1982-04-24 |
1985-10-02 |
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1982-06-07 |
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1982-07-30 |
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1982-10-21 |
1986-01-29 |
Plessey Co Plc |
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1982-11-01 |
1985-04-16 |
At&T Bell Laboratories |
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1982-11-23 |
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1983-12-06 |
1989-04-04 |
American Telephone And Telegraph Company, At&T Bell Laboratories |
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1983-12-06 |
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1983-12-16 |
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1984-03-26 |
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1984-09-26 |
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American Telephone And Telegraph Company At&T Bell Laboratories |
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1984-09-26 |
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American Telephone And Telegraph Company |
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1985-08-02 |
1987-12-01 |
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1985-08-02 |
1987-10-06 |
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