Edged bell piece

Edged bell piece

  • CN 2,412,600 Y
  • Filed: 03/20/2000
  • Issued: 01/03/2001
  • Est. Priority Date: 03/20/2000
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of Edged bell piece comprises metal disc body, it is characterized in that:

  • at the edge of metal disc body parcel rubber ring.

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