Home / Standards / GB/T 27702-2011 GB/T 27702-2011 Active Information and documentation - Information retrieval(Z39.50) - Application service definition and protocol specification 信息与文献 信息检索(Z39.50)应用服务定义和协议规范 Standard Type GBT ICS 35.240.30 CCS A14 Status 现行 Issue Date 2011-12-30 Implementation 2012-05-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委