发明名称 |
Composite building unit |
摘要 |
A composite building unit comprising at least one volume element having an upper surface with at least one projection and a bottom surface with at least one cavity positioned and configured to accommodate a projection from another volume element and at least one support element positioned between said upper and bottom surface of said volume element.
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申请公布号 |
US5687530(A) |
申请公布日期 |
1997.11.18 |
申请号 |
US19950443287 |
申请日期 |
1995.05.17 |
申请人 |
VAN DER HEIJDEN, FRANCISCUS ANTHONIUS MARIA |
发明人 |
VAN DER HEIJDEN, FRANCISCUS ANTHONIUS MARIA |
分类号 |
E04B2/02;E04C1/40;(IPC1-7):E04B2/32 |
主分类号 |
E04B2/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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