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BS EN 14620-2:20065 a" L6 q$ u( V0 J j* O
Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks for the storage of refrigerated, liquefied gases with operating temperatures between -5℃ and -165℃ - Part 2: Metallic components
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[ 本帖最后由 htsky 于 2007-6-9 11:37 编辑 ] |
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发表于 2007-6-6 09:07:22