CN205417631U - 一种可有效降低受电弓区域噪音的车顶结构 - Google Patents
一种可有效降低受电弓区域噪音的车顶结构 Download PDFInfo
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108621801A (zh) * | 2018-06-21 | 2018-10-09 | 苏州大成电子科技有限公司 | 一种用于受电弓区域的噪音降低组件 |
CN109967216A (zh) * | 2019-04-02 | 2019-07-05 | 吴光明 | 一种水泥厂磨机的噪声治理方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108621801A (zh) * | 2018-06-21 | 2018-10-09 | 苏州大成电子科技有限公司 | 一种用于受电弓区域的噪音降低组件 |
CN109967216A (zh) * | 2019-04-02 | 2019-07-05 | 吴光明 | 一种水泥厂磨机的噪声治理方法 |
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Effective date of registration: 20200109 Address after: 100070 building 21, zone 7, No. 188, South Fourth Ring Road West, Fengtai District, Beijing Patentee after: BEIJING KEYING JINGYI TECHNOLOGY CO., LTD. Address before: The research of Jilin Province Road 130000 Changchun Luyuan Economic Development Zone No. 999 Patentee before: JILIN GENERAL CHEMICAL SCIENCE AND TECHNOLOGY DEVELOPMENT CO., LTD. |
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Address after: 100070 building 21, District 7, 188 South Fourth Ring Road West, Fengtai District, Beijing Patentee after: Beijing keying Jingyi Technology Co.,Ltd. Address before: 100070 building 21, District 7, 188 South Fourth Ring Road West, Fengtai District, Beijing Patentee before: BEIJING KEYING JINGYI TECHNOLOGY Co.,Ltd. |