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GB 31604.31-2025_Chinese: National food safety standard - Food contact materials and products - Determination of residual and migration of vinyl chloride, 1,1-dichloroethylene and 1,1-dichloroethane (Chinese: 食品安全国家标准 食品接触材料及制品 氯乙烯、1,1-二氯乙烯和1,1-二氯乙烷的残留量和迁移量的测定) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB 31604.31-2025
