Surface active agents - determination of foamability and degree of foamability - circulation test method 表面活性剂.发泡能力和发泡度的测定.循环试验法
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Surface active agents - determination of foamability and degree of foamability - circulation test method 表面活性剂.发泡能力和发泡度的测定.循环试验方法
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Surface active agents - determination of foamability and degree of foamability - circulation test method ; german version en 14371 : 2004 表面活性剂.发泡能力的测定和发泡度.循环试验法