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JJG 139-2014

Chinese Standard: 'JJG 139-2014'
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JJG 139-2014English265 Add to Cart 0-9 seconds. Auto delivery. Verification regulation of Tension, Compression and Universal Testing Machines JJG 139-2014 Valid JJG 139-2014

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  JJG 139-2014  GB/T 36126-2018  GB/T 1885-1998  JJF 1070-2023  JJG 882-2019