SIS SEN 01 26 81-1974 Symbols for electrical diagrams Ferrite cores Magnetic storage devices《电气原理图符号 铁氧体磁心， 磁存储器设备》.pdf

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BS ISO 24497-2-2007 Non-destructive testing - Metal magnetic memory - General requirements《无损检测 金属磁存储器 一般要求》.pdf

BS ISO 24497-3-2007 Non-destructive testing - Metal magnetic memory - Inspection of welded joints《无损检验 金属磁存储器 焊接接头的检验》.pdf

BS ISO 24497-1-2007 Non-destructive testing - Metal magnetic memory - Vocabulary《无损检验 金属磁存储器 词汇》.pdf

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