ASTM E2164-16
- Standard Test Method for Directional Difference Test
- standard by ASTM International, 10/01/2016
- Category: ASTM
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1.1 This test method covers a procedure for comparing two products using a two-alternative forced-choice task.
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ASTM C1047-14a
Standard Specification for Accessories for Gypsum Wallboard and Gypsum Veneer Base..
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