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以吸声材料单元弱弹性级联为周期结构设计层的低频宽带吸声装置
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Release Time:2020-02-17
First Author:
Yulin Mei
Disigner of the Invention:
王晓明
Application Number:
CN201410741306.2
Authorization Date:
2014-12-08
Authorization Number:
CN104464711A
Date:
2020-02-17
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