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YD/T 548-1992 English PDF

US$239.00 ยท In stock
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YD/T 548-1992: The specification and test methods for conference telephone SET
Status: Obsolete
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
YD/T 548-1992English239 Add to Cart 2 days [Need to translate] The specification and test methods for conference telephone SET Obsolete YD/T 548-1992

Standard similar to YD/T 548-1992

YD/T 4045   YD/T 4046   YD/T 4044   

Basic data

Standard ID YD/T 548-1992 (YD/T548-1992)
Description (Translated English) The specification and test methods for conference telephone SET
Sector / Industry Telecommunication Industry Standard (Recommended)
Word Count Estimation 6,640
Date of Issue 6/14/1992
Older Standard (superseded by this standard) GB 3268-1982
Regulation (derived from) Ministry of Industry and Information Technology Notice 2014 No. 33
Summary This standard applies to manual control of the conference call extension, this extension of conference telephone network terminal equipment for listening and speaking conference call. The standard for equipment manufacturers to develop the acceptance and use of the unit as the basis for rules and maintenance procedures. However, if the system of agricultural extension may not according to the standard assessment used.

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