发明名称 Inexpensive and disassemblable structural units
摘要 A method of construction for inexpensive and readily disassemblable structural units by the means of locating slots and tabs as engineered systems in sheet materials to produce forces of containment and opposition without permanent joining.
申请公布号 US4055924(A) 申请公布日期 1977.11.01
申请号 US19760665712 申请日期 1976.03.10
申请人 BEAVER, JR., EMIL R. 发明人 BEAVER, JR., EMIL R.
分类号 A47B47/04;(IPC1-7):E04B1/00 主分类号 A47B47/04
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