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| Chinese National Standard List: Physical Standard Substance |
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JJ 1005-1986
Issued on: Price(USD): |
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GB 13270-1991 Aemospheric air-Test dust standand sample-Simulated atmospheric dust
Issued on: 1991-5-3 Price(USD): 60.0 |
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GB/T 13268-1991 Atmospheric Air-Test Dust Standard Sample-Loess dust
Issued on: 1991-1-1 Price(USD): 30.0 |
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GB/T 13269-1991 Atmospheric Air-Test Dust Standard Sample-Fly Ash
Issued on: 1991-5-3 Price(USD): 30.0 |
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