当前位置:
首页 >
双烷基(C14~C18)二甲基卤化铵

Dialkyl dimethyl ammonium halides(C14~C18)
标准号:QB/T 2852-2007
Dialkyl dimethyl ammonium halides(C14~C18)
标准号:QB/T 2852-2007