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Polycrystal silicon ingot and preparation method thereof, polysilicon chip and crucible used for polycrystalline silicon ingot casting

Polycrystal silicon ingot and preparation method thereof, polysilicon chip and crucible used for polycrystalline silicon ingot casting

  • CN 102,776,561 B
  • Filed: 04/01/2012
  • Issued: 12/15/2017
  • Est. Priority Date: 04/01/2012
  • Status: Expired due to Fees
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