19-hole interchange type checker brick

19-hole interchange type checker brick

  • CN 202,610,252 U
  • Filed: 05/15/2012
  • Issued: 12/19/2012
  • Est. Priority Date: 05/15/2012
  • Status: Active Grant
First Claim
Patent Images

1. hole intercommunication formula checker brick have the column block body, it is characterized in that,On first end face, boss is set;

  • At the brick body hole lattice are set vertically;

    On second end face, with the corresponding position of this boss concave station is set, this concave station and this boss are of a size of the size of running fit;

    On this second end face, lateral trench is set also.

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