具有肋骨补强的圆形开口复合材料正交格栅圆柱壳
Release time:2019-03-09
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First Author:renmingfa
Disigner of the Invention:石姗姗,Sun Zhi,oujinping
Application Number:CN201220081572.3
Authorization Date:2012-03-06
Authorization number:CN202464120U
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