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Composite plastic/sand roof tile - of reduced wt and high water impermeability
Composite plastic/sand roof tile - of reduced wt and high water impermeability
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机译:复合塑料/砂瓦-减少重量和高不透水性
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摘要
Roof tile, pref. a 'beaver' tail tile, provided with a support layer of a mixt. of sand and synthetic resin with a smooth water-impermeable superficial layer of resin more esp. with a support layer thickness of 10-12 mm and superficial layer of about 0.1 mm.
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