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Variable-thickness plate multi-steady state variant structure, has conical plate linked with central horizontal plate and provided with conical surface that is set with reinforcing ribs, where initial state of each reinforcing rib is zero. 专利
申请日期: 2013-01-01, 公开日期: 2013-06-05
作者:  GAO R HUANG Y WEI Y LIU S NIU L ZHA
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