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

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GB/T 2020-1980 Recording magnetic tape with 9 magnetic tracks, 12.7mm width and 32 lines/mm for information processing exchange
Standard No.:	GB/T 2020-1980	Status:	VALID remind me the status change Email:
Language:	English	File Format:	PDF
Word Count:	3500 words	Price(USD):	(USD) remind me the price change Email:
Implemented on:	1981-03-01	Delivery:	via email in 1-3 business day
Purchase steps: 1 - Add shopping cart → 2 - My shopping cart → 3 - Login → 4 - Invoice information → 5 - Checkout

Standard No.:	GB/T 2020-1980
Chinese Name:	信息处理交换用9磁道12.7毫米宽32行/毫米记录磁带
English Name:	Recording magnetic tape with 9 magnetic tracks, 12.7mm width and 32 lines/mm for information processing exchange
Professional Classification:	L64 Data medium
Professional Classification:	GB National Standard
ICS Classification:	35.220.20 Magnetic storage devices in general
Issued by:
Issued on:	1980-09-01
Implemented on:	1981-03-01
Status:	VALID
Replace:	SJ1272-1977
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	(USD)
Delivery:	via email in 1-3 business day

GB/T 2020-1980 The following standards are cited：

GB/T 2020-1980 Cited by the following standards：

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