兑水 发表于 2009-9-12 10:16:39

ASTM B 344-2001 拉制或轧制的镍铬和镍铬铁合金电热元件规范

B344-01 Standard Specification for Drawn or Rolled Nickel-Chromium and Nickel-Chromium-Iron Alloys for Electrical Heating Elements
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