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CNS Standards about "biochemi"

1. Ready translated english version CNS Standards ( SALE mark )  and Chinese version CNS Standards, you can purchase directly in the web page; After receive your payment, we will send the CNS Standards PDF file to your Email within 1~3 days.
2. Other English version CNS Standards are not ready translated, only after get your order, then we translate them, time usually need more 3-5 days .
CNS 3751 - English Version
Method for determination of biochemical oxygen demand in polluted and waste water
廢水污水生化需氧量檢驗法 - 英文版

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