Principles and Techniques of synchronous digital hierarchy (SDH)(Chinese Edition) - Softcover

WEI LE PING , LI YING HAO BIAN ZHU

 
9787115059734: Principles and Techniques of synchronous digital hierarchy (SDH)(Chinese Edition)

Synopsis

.publisher:People's Posts and Telecommunications Press.description:Principles and Techniques of synchronous digital hierarchy (SDH)

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