CDY1993 发表于 2020-4-17 15:19:18

ASTM B637-2018

ASTM B637-2018
Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service



admin 发表于 2020-4-25 22:57:16

谢谢您的分享，金币已奖励!
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