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Specifications of TDM equipment operating on an analog telephone-type circuit for telegraph and lower-speed data
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STANDARD published on 16.3.1987
Designation standards: GB/T 7436-1987
Publication date standards: 16.3.1987
SKU: NS-889391
Country: Chinese technical standard
Category: Technical standards GB
Latest update: 2026-06-10 (Number of items: 2 281 917)
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