| 摘要 |
PCT No. PCT/GB94/02327 Sec. 371 Date May 3, 1996 Sec. 102(e) Date May 3, 1996 PCT Filed Oct. 24, 1994 PCT Pub. No. WO95/12753 PCT Pub. Date May 11, 1995A covering for an underlying structure comprises a bottom layer of U-shaped sections with gaps between covered by an upper layer of inverted U-shaped sections, the sections having clearance holes and/or flexible edges to permit transverse thermal flexing. The bottom sections are attachable to the structure by clip elements previously attached to the structure.
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