Band and its sealing volume

Band and its sealing volume

  • CN 209,725,193 U
  • Filed: 03/19/2019
  • Issued: 12/03/2019
  • Est. Priority Date: 03/19/2019
  • Status: Active Grant
First Claim
Patent Images

1. a kind of band, the installation for hot-water heating facility, which is characterized in that including base layer (1) and be arranged in described matrixExpanding layer (2) on layer (1) back side, it is inflatable that the expanding layer (2) meets liquid.

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