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毕传兴;罗忠伟; 郑昌军; 张永斌.一种吸声材料吸声系数的测量方法.国家发明专利. 专利号: ZL202010002796.X, 申请日: 2020-01-02. 授权公告日: 2022-04-05
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Service Invention or Not:no
Pre One:
张永斌; 周世文; 毕传兴; 李宁学; 郑英杰. 一种低噪声充气轮胎胎面花纹.国家发明专利. 专利号: ZL202010503434.9, 申请日：2020.06.05 授权公告日: 2022-03-15
Next One:
张小正; 王航博; 毕传兴; 张永斌. 一种基于时域等效源法的实时声场分离方法. 国家发明专利. 专利号: ZL202011031608.2, 申请日：2020.09.27授权公告日：2022-04-01
