SJ 2784-1987
Methods of measurement for dispatching telephone main stations (English Version)

Standard No.
SJ 2784-1987
Language
Chinese, Available in English version
Release Date
1987
Published By
Professional Standard - Electron
Latest
SJ 2784-1987
Scope
This test method is based on SJ 2783-87 and is mainly suitable for special communication equipment for dispatch telephone switchboards used for dispatch and command in fixed facilities on the ground floor.

SJ 2784-1987 history

  • 1987 SJ 2784-1987 Methods of measurement for dispatching telephone main stations
Methods of measurement for dispatching telephone main stations



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