Invention Grant
US4889758A High-strength panel structure 失效
高强度面板结构

High-strength panel structure
Abstract:
A panel having high strength relative to its weight is made of rigid material and is formed with a plurality of open cells, each open at one side, and with a plurality of closed cells, each closed on all sides. Each of the open cells is surrounded on all its sides by a plurality of the closed cells, and each of the closed cells is surrounded on all its sides by a plurality of the open cells.
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