Home / Standards / GB/T 12840-1996 GB/T 12840-1996 Active Reliability requirements and testing methods for tape transport mechanism of cassette tape recorders 盒式磁带录音机运带机构可靠性要求和试验方法 Standard Type GBT ICS 33.160.30 CCS M71 Status 现行 Issue Date 1996-12-20 Implementation 1997-08-01 Responsible Dept 工业和信息化部(电子) Drafting Unit N/A