兑水 发表于 2009-10-31 15:38:14

ASTM E 570-1997 铁磁钢管制品的磁力泄漏检验

E570-97(2004)e1 Standard Practice for Flux Leakage Examination of Ferromagnetic Steel Tubular Products
页: [1]
查看完整版本: ASTM E 570-1997 铁磁钢管制品的磁力泄漏检验