你即將離開本站

並前往https://patents.google.com/patent/US4401638A/en

US4401638A - Process for purifying silica sand - Google Patents

A process of purifying silica sand comprises grinding sandstone, washing and desliming the ground sandstone to remove the major part of the clay-type binder ...

確定！ 回上一頁

查詢 「Silica sand」的人也找了：

  1. silica sand中文
    2.
  2. silica sand用途
    3.
  3. Silica sand
    4.
  4. Play sand
    5.
  5. SAND
    6.
  6. Silica dust
    7.
  7. Silica solubility
    8.
  8. Silicon from sand
    9.