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Flexible packaging film

  • US 3,912,843 A
  • Filed: 06/29/1970
  • Issued: 10/14/1975
  • Est. Priority Date: 06/29/1970
  • Status: Expired due to Term
First Claim
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1. A FIRST EXTERIOR LAYER CONSISTNG OF BIXIALLY ORIENTED POLYPOLYLENE,

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