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1980-09-18
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1984-05-24
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1982-03-31
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1987-07-29
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1981-11-12
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1987-05-14
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1979-02-08
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1981-04-16
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1984-02-01
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1980-12-04
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1981-05-07
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1986-02-20
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1981-08-04
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1983-08-11
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1981-03-04
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1978-11-05
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1982-01-20
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1982-07-05
Method and device for transmitting information in communication device
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1983-10-31
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1978-11-20
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1978-06-30
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1981-02-12
Data transmitting*receiving system
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1979-08-05
Digital data transmitting and receiving system
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1983-11-24
Radio communication system and method
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1984-03-28
Radio transmitting and receiving apparatus