发明名称 Concrete module for creating underground space beneath grass field, comprises prefabricated perforated cover, skeletal frame and base
摘要 <p>The module comprises pre-fabricated elements and is strong enough to withstand heavy traffic. The top side of the perforated cover (4) is located less than or equal to 60 cm beneath the ground and is supported on top of a base (6) via a skeletal frame (5).</p>
申请公布号 NL1022686(C2) 申请公布日期 2004.09.22
申请号 NL20031022686 申请日期 2003.02.14
申请人 CAROLUS HERMANUS VAN RAAM 发明人 CAROLUS HERMANUS VAN RAAM;JOOST CORNELIS DUVEKOT
分类号 E01C3/00;(IPC1-7):E01C3/00;A01G13/00 主分类号 E01C3/00
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