发明名称 AN INSULATION DEVICE
摘要 A flexible loft hatch insulation device as suitable to be used on all different types of loft hatches. Manufactured from a variety of different insulation materials including various waste streams. Application includes insulation as well as draught proofing.
申请公布号 WO2011110807(A3) 申请公布日期 2011.11.03
申请号 WO2011GB00323 申请日期 2011.03.07
申请人 GRIMES, SHAUN 发明人 GRIMES, SHAUN
分类号 E04B1/76;E04B1/94;E04F19/08;E06B5/01 主分类号 E04B1/76
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