路云 发表于 2013-4-21 07:07:52

求ASTM标准

哪位量友能够提供以下两个ASTM标准？
ASTM E2658Standard Practices for Verification of Speed for Material Testing Machines；
ASTM E2309/E2309M-05(2011)e1 Standard Practices for Verification of Displacement Measuring Systems and Devices Used in Material Testing Machines。
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