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sand equivalent value test
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I.General Introduction This petroleum wax penetrometer is suitable for detecting the penetration of solid and semi solid asphalt materials with a ...
2024-12-09 23:14:37
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I. Introduction: The LAB135 type Saybolt colorimeter is used to determine the color of refined liquid petroleum products, such as undyed automotive ...
2025-04-24 00:13:24
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