Hollow cavity shuttering member

Hollow cavity shuttering member

CN
  • CN 1,580,447 A
  • Filed: 08/04/2003
  • Published: 02/16/2005
  • Est. Priority Date: 08/04/2003
  • Status: Active Application
First Claim
Patent Images

1. , a kind of cavity former component, comprise upper plate (1), sidewall (2), go to the bottom (3) on every side, upper plate (1), sidewall (2), go to the bottom (3) surround the polyhedron cavity former component on every side, it is characterized in that the one side at least of cavity former component is provided with superimposed template (4).

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