Home / Standards / GB/T 28738-2012 GB/T 28738-2012 Active Finned built-in heat pipe for all-glass evacuated solar collector tubes 全玻璃真空太阳集热管内置式带翅片的金属热管 Standard Type GBT ICS 27.160 CCS F12 Status 现行 Issue Date 2012-11-05 Implementation 2013-06-01 Responsible Dept 国家标准委 Drafting Unit N/A