兑水 发表于 2009-9-11 15:29:25

ASTM B 206-1997 铜镍锌合金线(镍银)和铜镍合金线

B206/B206M-97(2002) Standard Specification for Copper-Nickel-Zinc Alloy (Nickel Silver) Wire and Copper-Nickel Alloy Wire
页: [1]
查看完整版本: ASTM B 206-1997 铜镍锌合金线(镍银)和铜镍合金线