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1
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无水氯化铜\500g >98% CAS7447-39-4
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40
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2
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氨氮标液\500ml 8mg/L BWSM80100A8W-500mL/带证书
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2
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3
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具塞石英比色管\50ml 定制
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100
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4
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玻璃注射器\1ml 蓝芯 带针头
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10
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5
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1,1,2-三氟三氯乙烷\AR 500ml CAS76-13-1
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7
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6
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气体采样袋\3L 铝箔 带橡胶管+双阀+止回阀
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500
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