CN204097895U - 一种建筑用隔音墙结构 - Google Patents
一种建筑用隔音墙结构 Download PDFInfo
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- CN204097895U CN204097895U CN201420576272.1U CN201420576272U CN204097895U CN 204097895 U CN204097895 U CN 204097895U CN 201420576272 U CN201420576272 U CN 201420576272U CN 204097895 U CN204097895 U CN 204097895U
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114541290A (zh) * | 2022-03-23 | 2022-05-27 | 西南大学 | 一种内凹锥面多孔微结构吸音-隔音墙 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114541290A (zh) * | 2022-03-23 | 2022-05-27 | 西南大学 | 一种内凹锥面多孔微结构吸音-隔音墙 |
CN114541290B (zh) * | 2022-03-23 | 2023-01-13 | 西南大学 | 一种内凹锥面多孔微结构吸音-隔音墙 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: DONGYI RISHENG DECORATION CORP. Free format text: FORMER OWNER: CHEN ZHIYUN Effective date: 20150112 |
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C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 315700 NINGBO, ZHEJIANG PROVINCE TO: 102407 FANGSHAN, BEIJING |
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TR01 | Transfer of patent right |
Effective date of registration: 20150112 Address after: 102407, Beijing, Fangshan District Town Road, the west side of the room Yi Road Patentee after: Dongyi Risheng Decoration Corp. Address before: 315700 Xinfeng City, Ningbo province Dan Xiangshan City Road, No. 205, Patentee before: Chen Zhiyun |