Home / Standards / GB/T 14921-1994 GB/T 14921-1994 Abolished The demand for the picture quality ofPAL-D system in satellite television broadcasting services PAL-D制卫星电视广播图像质量要求 Standard Type GBT ICS 33.160.40 CCS M65 Status 废止 Issue Date 1994-01-26 Implementation 1994-09-01 Responsible Dept 广电总局 Drafting Unit N/A