yeemok 发表于 2016-12-13 09:39:15

ASTM D1155-03 Standard Test Method for Roundness of Glass Spheres

ASTM D1155-03

Standard Test Method for Roundness of Glass Spheres

This test method2 covers the determination of the percent of true spheres in glass spheres used for retroreflective marking purposes and industrial uses.


admin 发表于 2016-12-13 14:13:18

谢谢您的分享,金币已奖励!
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