BUILDING-BLOCK OF SAND-HAYDITE CONCRETE

BUILDING-BLOCK OF SAND-HAYDITE CONCRETE

  • CN 2,038,128 U
  • Filed: 10/15/1988
  • Issued: 05/24/1989
  • Est. Priority Date: 10/15/1988
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of by cement as adhesive, lightweight aggregate is the concrete hollow block of raw material, the lightweight aggregate that is characterised in that of the present utility model is a kind of leca, the surface of building block is scraggly matsurface, inner chamber has macropore.

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