Designation: A 252 – 98 (Reapproved 2002)Standard Specification forWelded and Seamless Steel Pipe Piles1This standard is issued under the fixed designation A 252; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last r...

时间:2025-01-27 10:55栏目:行业资料