Board specially for elevator

Board specially for elevator

CN
  • CN 2,349,183 Y
  • Filed: 11/30/1998
  • Issued: 11/17/1999
  • Est. Priority Date: 11/30/1998
  • Status: Active Grant
First Claim
Patent Images

1. A kind of elevator personality board is by metal decking [1], and bottom sealing plate compositions such as [2] is characterized in that, the enclosed cavity body [3] of composition together of metal decking [1] and underseal degree [2] is filled with foam filled material [4] by injecting hole [5] in the cavity body [3].

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