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contenido no inferior al 25 % ni superior al 33 % de grupos metoxílicos (-och3), y no superior al 5 % de grupos hidroxietoxílicos (-och2ch2oh)
content not less than 25 % and not more than 33 % of methoxyl groups (-och3) and not more than 5 % of hydroxyethoxyl groups (-och2ch2oh)
最后更新: 2018-03-04
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