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International Standard Category: Multimedia systems and teleconferencing equipment

YD/T 1237-2002    The Technical Requirements and Test Methods for PSTN Videophone
PSTN可视电话进网技术要求及测试方法 ;
Category No.:33.160.60 Valid Status:abolished
Issued Organization:Ministry of Information Industry Issued Date:2002-11-08
Implemented Date:2002-11-8 Abolished Date:2017-05-12
Superseded Standard.: Superseded Date:
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