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BE461270A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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KR101036080B1
(ko)
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인스턴스 메시지 서비스를 위한 패킷 전송 장치 및 방법
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US1567223A
(en)
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Controlling system
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BE486685A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US2269639A
(en)
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Pulse regenerator
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BE435173A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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US800844A
(en)
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Quadruplex telegraphy.
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BE731310A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE449296A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE461637A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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SU29872A1
(ru)
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Устройство дл избирательного вызова телефонных аппаратов
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BE501756A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE439003A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE412274A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE370898A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE350991A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE476370A
(fr)
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Systèmes de télécommunications
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BE409186A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE431601A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE408022A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH101057A
(fr)
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Installation pour bureau central téléphonique à commutation automatique.
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BE372233A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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CH135611A
(fr)
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Installation téléphonique.
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BE341574A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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BE395663A
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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