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laboratory conical quartz tube
Selling leads
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2025-07-22 07:30:42
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2025-07-22 07:30:42
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Material COE 3.3 borosilicate glass Main Composition SiO2 80±0.5% B2O3 2.4±0.2% Na2O+K2O 4.3±0.2% Chemical and Physical property Coefficient of ...
2025-07-17 15:26:04
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2025-07-17 15:27:39
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2025-07-22 07:30:42
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