About Hazardous Substance Act B.E. 2535 (1992 ...- กรดไตรคลอโรไอโซไซยานูริกเป็นยาฆ่าเชื้อมือ ,Chemical policy in Thailand is currently in transition from hazard-base to risk-base under the framework of Hazardous Substance Act B.E.2535 (1992) in line with international practice on chemical management

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