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Chinese National Standard Category: Magnetic recording material

English Title: Information processing-9-track, 12.7mm wide magnetic tape for information interchange recorded at 63rpmm,phase encoded
Chinese Title: 信息处理交换用9磁道12.7mm宽63行/毫米调相制记录磁带
Standard No.: GB/T 6550-1986
Category No.: G83
Issued by: CBTS
Issued on: 1986-3-28
Implemented on: 1987-4-1
Status: valid
Superseded by:
Superseded on:
Abolished on:
Superseding:
Word Count:5000 words
Similar Standards: JB/T 10933-2010   GB/T 11956-2008   HG/T 4060-2008   HG/T 4061.2-2008   HG/T 4061.1-2008   GB/T 7309-2000   GB/T 14854.1-1993   GB/T 14854.2-1993   GB/T 1780-1992   HG/T 2347.8-1992   HG/T 2353.4-1992   HG/T 2347.3-1992   HG/T 2353.6-1992   HG/T 2353.2-1992   HG/T 2353.1-1992   HG/T 2347.2-1992   HG/T 2347.4-1992   HG/T 2353.5-1992   HG/T 2352-1992   HG/T 2353.3-1992  
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