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>> 小型机械单元平面阵列的低频宽带多层吸声装置
Patents
小型机械单元平面阵列的低频宽带多层吸声装置
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Date:2019-03-09
Title:
小型机械单元平面阵列的低频宽带多层吸声装置
First Author:
wangxiaoming
Disigner of the Invention:
Yulin Mei
Authorization number:
201410639716.6
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