发明授权
US6052945A Metal plate of high strength and flexibility 失效
金属板具有高强度和柔韧性

Metal plate of high strength and flexibility
摘要:
A strong metal plate having flexibility includes a flat portion, a plurality of first protuberances projecting from the flat portion in one direction of the thickness direction of the flat portion and a plurality of second protuberances projecting from the flat portion in the other direction of the thickness.
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