| 摘要 |
<p>The present invention relates to a panel made of plastic material to be used in the preparation of construction elements, especially slabs and ceilings.</p><p><Paragraphs id="pa02" num="0002" xmlns:base="http://www.sipo.gov.cn/XMLSchema/base">Particularly, the present invention relates to a construction panel (1) made of plastic material, characterized in that it has a plurality of blind cavities (5) at a base surface (4), and having a walking surface (2), on the side opposite to said base surface (4), and closed side walls (3).
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