General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 28590-2012
Scope
This standard specifies the classification principles, coding methods and classification codes of urban underground space facilities. This standard applies to the acquisition, management, exchange, sharing and service of urban underground space facility data.
GB/T 28590-2012 history
2012GB/T 28590-2012 Classification and code for urban underground facilities