Ventilation structure of bag

Ventilation structure of bag

  • CN 2,609,848 Y
  • Filed: 03/28/2003
  • Issued: 04/07/2004
  • Est. Priority Date: 03/28/2003
  • Status: Active Grant
First Claim
Patent Images

1. a Humidity absorption bag structure is characterized in that, is provided with breathable one bag, and this bag dual-side is respectively equipped with in bag at least one folding recessed folding part, make that formation can outwards be strutted in the bag and can be in it for an expansion space that holds content.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×