Professional Standard - Post and Telecommunication
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YD/T 5171-2009
Scope
These interim regulations are the technical basis for construction quality inspection, stage acceptance, and completion acceptance during the installation project of personalized ringback tone platform equipment, and are applicable to new projects. Renovation and expansion projects can be implemented as a reference.
YD/T 5171-2009 history
2009YD/T 5171-2009 Provisional Acceptance Specification for Individuation Ring Back Tone Platform