Code of China Chinese Classification Professional Classification ICS Classification Latest Value-added Services

International Standard Category: Information sciences

GB/T 28220-2011    Public library service specifications
公共图书馆服务规范;
Category No.:01.140.20 Valid Status:superseded
Issued Organization:AQSIQ,SAC Issued Date:2011-12-30
Implemented Date:2012-5-1 Abolished Date:
Superseded Standard.:GB/T 28220-2023 Public library service specifications
Superseded Date:2023-7-1
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