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AU7013791A
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System for interfacing a standard telephone set with a radio transceiver
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US4922517A
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System for interfacing a standard telephone set with a radio transceiver
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IL83400D0
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Programmable system for interfacing standard telephone with a radio transceiver
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US4775997A
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System for interfacing a standard telephone set with a radio transceiver
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US4737975A
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Programmable system for interfacing a standard telephone set with a radio transceiver
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AR241358A1
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Telephonic interconnection arrangement.
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GR862545B
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System for interfacing a standard telephone set with a radio transceiver
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EG18141A
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System for interfacing a standard telephone set with a radio transceiver
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CN1008680B
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The interface system of telephone set and transmitter-receiver
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CA1250380A
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System for interfacing a standard telephone set with a radio transceiver
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US4658096A
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System for interfacing a standard telephone set with a radio transceiver
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