zzcnhic 发表于 2017-6-28 16:38:42

ASTM G97 − 97 (Reapproved 2013)

ASTM G97 − 97 (Reapproved 2013)
Standard Test Method for
Laboratory Evaluation of Magnesium Sacrificial Anode Test
Specimens for Underground Applications

admin 发表于 2017-7-3 11:51:13

谢谢您的分享,金币已奖励!
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