TREA

provided with means for controlling the light-transmission or the heat-reflection, (

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Industry

  • CPC
  • E04D13/033
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Parent Industries

EFIXED CONSTRUCTIONS E04Building E04DROOF COVERINGS SKY-LIGHTS GUTTERS ROOF-WORKING TOOLS E04D13/00Special arrangements or devices in connection with roof coverings; Protection against birds Roof drainage; Sky-lights

Current Industry

E04D13/033provided with means for controlling the light-transmission or the heat-reflection, (
Industries