上海易扩仪器有限公司
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- 邮编 : 200032
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The
815 Tester is used for quick and accurate tests of organic matter in sand and
aggregate for concrete, in accordance with ASTM C-40-60.
Five permanent standards are mounted in a non-corrosive frame. The Model 815
Tester eliminates preparation of unstable liquid standards used by other test
methods. Complete with directions.