steven_sun1111 发表于 2021-1-25 09:20:23

ASTM E110-2014

ASTM E110-2014 Standard Test Method for Rockwell and Brinell Hardness of Metallic Materials by Portable Hardness Testers Active Standard

wenzhu712 发表于 2021-1-25 14:17:08

:L

laker 发表于 2021-1-25 19:38:42

{:1_180:}

GavinChen 发表于 2021-1-26 07:04:23

thanks for your share

看不见的猫 发表于 2021-1-26 08:17:48

:loveliness::loveliness::loveliness::loveliness::loveliness::loveliness::loveliness::loveliness:

golfgti 发表于 2021-1-26 09:11:36

謝謝分享

saber11 发表于 2021-1-26 09:50:59

{:1_180:}{:1_180:}

billye 发表于 2021-1-26 10:15:22

謝謝分享

叶太平 发表于 2021-1-26 10:18:31

謝謝分享

flyerchang 发表于 2022-11-9 20:51:57

谢谢分享
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