Home / Standards / GB/T 9938-1988 GB/T 9938-1988 Abolished Dentistry--Designation system for teeth and areas of the oral cavity 牙位和口腔区域的标示法 Standard Type GBT ICS 11.060 CCS C33 Status 废止 Issue Date 1988-09-20 Implementation 1989-09-01 Responsible Dept 国家药监局 Drafting Unit N/A