Study on the protein retanning and filling agent from the graft-modification of the hydrolysate of the chrome-shavings with vinyl monomers

 
  • 乙烯基類(lèi)單體改性鉻鞣革屑水解產(chǎn)物制備復鞣填充劑的研究
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan