Test Method for Coefficient of Static Friction of Uncoated Writing and Printing Paper by Use of the Inclined Plane Method

 
  • 用傾斜面法對無(wú)鍍膜書(shū)寫(xiě)紙和印刷紙靜態(tài)磨擦系數的試驗方法
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan