Home / Standards / GB/T 18443.7-2010 GB/T 18443.7-2010 Active Testing method of performance for vacuum insulation cryogenic equipment - Part 7: Holding time measurement 真空绝热深冷设备性能试验方法 第7部分：维持时间测量 Standard Type GBT ICS 23.020 CCS J74 Status 现行 Issue Date 2010-09-26 Implementation 2011-02-01 Responsible Dept 国家标准委 Drafting Unit N/A