Wire oxygen indicator

Wire oxygen indicator

  • CN 200,948,936 Y
  • Filed: 05/26/2006
  • Issued: 09/19/2007
  • Est. Priority Date: 05/26/2006
  • Status: Active Grant
First Claim
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1. , a kind of wire oxygen indicator, it is characterized in that it comprises packaging film (1) and oxygen concentration indicatrix (2), oxygen concentration indicatrix (2) is arranged among the vertical envelope of packaging film (1), the position of going up corresponding oxygen concentration indicatrix (2) at packaging film (1) is provided with oxygen concentration indication observation window (3), also is provided with ventilating microhole (4) on the packaging film (1).

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