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Standard Insuued on: 1990-08

TB/T 2130.6-1990    Train Dispatching Telephone - Technical Requirements and Testing Method for Extension
列车调度电话分机技术要求和试验方法
Category No.:TB Valid Status:valid
Issued Organization: Issued Date:1990-08-20
Implemented Date:1990-12-1 Abolished Date:
Superseded Standard.: Superseded Date:
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GB 2423.39-1990   GB/T 12461-1990   GB/T 12458-1990   GB/T12498-1990~GB/T12499-1990   GB/T 12453-1990   GB/T 12498-1990   GB/T 12459-1990   GB/T 12500-1990   GB 3836.9-1990   GB/T 12456-1990   GB/T 12457-1990   JJG 706-1990   TB 1869-1990   TB/T 2130.6-1990  

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