Home / Standards / GB/T 9938-2013 GB/T 9938-2013 Active Dentistry - Designation system for teeth and areas of the oral cavity 牙科学 牙位和口腔区域的标示法 Standard Type GBT ICS 11.060.10 CCS C33 Status 现行 Issue Date 2013-10-10 Implementation 2014-02-01 Responsible Dept 国家药监局 Drafting Unit N/A