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Mat for Acoustic Apparatus

  • US 20070227816A1
  • Filed: 04/05/2005
  • Published: 10/04/2007
  • Est. Priority Date: 09/15/2004
  • Status: Active Grant
First Claim
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1. A mat for use with acoustic equipment, comprising:

  • a plurality of silica-gel grain pieces arranged in a single layer.

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