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BS EN 14620-2:20069 B/ d' A% |* v, |
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! G6 J1 ]3 D& ?
3 N6 p! m9 y2 ?. H! @( y
[ 本帖最后由 htsky 于 2007-6-9 11:37 编辑 ] |
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