Professional Standard - Post and Telecommunication
Latest
YD/T 5157-2007
Scope
In order to meet the needs of mobile short message center project construction, strengthen project management, do a good job in project acceptance, and ensure project quality, this specification is formulated.
YD/T 5157-2007 history
2007YD/T 5157-2007 Acceptance Specification of Short Message Center Installation Engineering