GB/T 2020-1980

Active

Recording magnetic tape with 9 magnetic tracks， 12.7mm width and 32 lines/mm for informationprocessing exchange

信息处理交换用9磁道12.7毫米宽32行/毫米记录磁带

Standard Type
GBT
ICS
35.220.20
CCS
L64
Status
现行
Issue Date
1980-09-10
Implementation
1981-03-01
Responsible Dept
国家标准委
Drafting Unit
N/A