OVERLOAD (TELEPHONY)
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BTPUBLIC TELEPHONE SYSTEMS, AUTOMATIC EXCHANGE, SWITCHING SYSTEMS, SIGNAL TRANSMISSIONS (TELEPHONY)
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UDC621.395.3,1
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Descriptor GERÜBERLAST (TELEFONTECHNIK)
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Descriptor ENGOVERLOAD (TELEPHONY)
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Descriptor FRESURCHARGE (TÉLÉPHONIE)
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Variant GERLAST/ÜBERLAST (TELEFONTECHNIK)
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Variant ENGLOAD/OVERLOAD (TELEPHONY)
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Variant FRECHARGE/SURCHARGE (TÉLÉPHONIE)