TREA

at least one insulating layer being located between non-insulating layers

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Industry

  • CPC
  • E04D3/352
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Parent Industries

EFIXED CONSTRUCTIONS E04Building E04DROOF COVERINGS SKY-LIGHTS GUTTERS ROOF-WORKING TOOLS E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets

Current Industry

E04D3/352at least one insulating layer being located between non-insulating layers
Industries