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YDJ1-1989 PDF English

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YDJ1-1989: Specification for installation design of posts and communications power supply equipment
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Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
YDJ 1-1989English1509 Add to Cart 7 days [Need to translate] Specification for installation design of posts and communications power supply equipment

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Basic data

Standard ID YDJ 1-1989 (YDJ1-1989)
Description (Translated English) Specification for installation design of posts and communications power supply equipment
Sector / Industry Telecommunication Industry Standard
Classification of Chinese Standard M41
Word Count Estimation 47,423
Date of Implementation 1/1/1990
Older Standard (superseded by this standard) YDJ 1-79
Regulation (derived from) Under the current effective communication standard catalog Communications Development Division (2009. 1) is set
Summary This standard applies to telecommunications hub, integrated communications bureau station, Central Office, satellite communications, earth stations, mobile communication base stations, electrical (optical) cable trunk someone stations, microwave stations and radio stations and other medium-sized antenna new and expansion projects. Alterations depending on the particular circumstances for implementation.

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