资讯
and it was estimated that the dye industry contributed £3.8 billion to GDP in 2007, while supporting 69,000 jobs. Perkin would have performed a combustion analysis, so he knew that aniline contained ...
known as aniline leathers because they are colored by being soaked in aniline dye, include pull-up, waxed, oil-tanned, suede and nubuck leathers. They are especially supple and luxurious ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果