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BS EN 14620-2:2006
( i- }7 ^1 b) ~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 w l4 A0 x2 \7 @# u% l
& m8 h5 x! N) K9 Z, m[ 本帖最后由 htsky 于 2007-6-9 11:37 编辑 ] |
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