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Database: 189759 (26 Oct 2025)
GB/T 4770.3-1984 English PDF
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Standard Title (Description)
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GB/T 4770.3-1984
English
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9 days [Need to translate]
The test methods for 60-channel symmetrical cable carrier telephone equipment
Obsolete
GB/T 4770.3-1984
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Basic data
Standard ID
GB/T 4770.3-1984 (GB/T4770.3-1984)
Description (Translated English)
The test methods for 60-channel symmetrical cable carrier telephone equipment
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
M31
Word Count Estimation
34,394
Date of Issue
11/28/1984
Date of Implementation
10/1/1985
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