未来记忆 发表于 2017-6-26 08:04:56

谁有ASTM A 354-2011分享下


liuxilin1215 发表于 2017-6-26 08:04:57

ASTM A354-11 Standard Specification for Quenched and Tempered Alloy Steel Bolts, Studs, and Other Externally Threaded Fasteners

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