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EN 50136-2-4 : 1998被替代

ALARM SYSTEMS - ALARM TRANSMISSION SYSTEMS AND EQUIPMENT - REQUIREMENTS FOR EQUIPMENT USED IN SYSTEMS WITH VOICE COMMUNICATORS USING THE PUBLIC SWITCHED TELEPHONE NETWORK

出版：European Committee for Standards - Electrical

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基本信息

标准编号： EN 50136-2-4 : 1998

标准类别：Standard

出版单位：European Committee for Standards - Electrical

标准页数：0

标准简介

Defines the requirements for equipment for voice communicator systems using the Public Switched Telephone Network, additional to those defined in EN 50136-2.

EN 50136-2-4 : 1998被替代

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