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21Published 1984Subjects “...Telecommunication policy Congresses....”
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22
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23
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24Published 1993Subjects “...Telecommunication Canada Congresses....”
Conference Proceeding Book -
25Published 1972Subjects “...Artificial satellites in telecommunication Congresses....”
Conference Proceeding Book -
26Published 1983Subjects “...Artificial satellites in telecommunication Congresses....”
Conference Proceeding Book -
27Published 1978Subjects “...Artificial satellites in telecommunication Congresses....”
Conference Proceeding Book -
28Published 1987Subjects “...Telecommunication systems Great Britain Congresses....”
Conference Proceeding Book -
29Published 1976SubjectsConference Proceeding Book
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30Published 1986Subjects “...Telecommunication policy Congresses....”
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31Published 1983Subjects “...Artificial satellites in telecommunication Congresses....”
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32Published 1993SubjectsConference Proceeding Book
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33Published 1995SubjectsConference Proceeding Book
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34Published 1996SubjectsConference Proceeding Book
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35Published 1981SubjectsConference Proceeding Book
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36
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37Published 1968Subjects “...Artificial satellites in telecommunication Congresses....”
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38Published 1983Subjects “...Artificial satellites in telecommunication Congresses....”
Conference Proceeding Book -
39Published 1988SubjectsConference Proceeding Book
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40International Conference on the ISDN and Its Impact on Information Technology : 14-16 January 1985 /Published 1985Subjects “...Telecommunication systems Congresses....”
Book