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GB/T 3971.3-1983 standards english version


NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

GB/T 3971.3-1983

 

The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network

 
Issued Date:  

Implemented Date:

Issued by:   The Standardization Administration of the People's Republic of China
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GB Standard Code GB/T 3971.3-1983
Standard Category China National Standards
GB Standard English Title The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network
GB Standard Chinese Title 电话自动交换网多频记发器信号技术指标测试方法
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