CN2380992Y - 吸声降噪网装置 - Google Patents
吸声降噪网装置 Download PDFInfo
- Publication number
- CN2380992Y CN2380992Y CN99217277U CN99217277U CN2380992Y CN 2380992 Y CN2380992 Y CN 2380992Y CN 99217277 U CN99217277 U CN 99217277U CN 99217277 U CN99217277 U CN 99217277U CN 2380992 Y CN2380992 Y CN 2380992Y
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- CN
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- Prior art keywords
- layer
- sound
- silk screen
- millimeter
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Building Environments (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99217277U CN2380992Y (zh) | 1999-07-27 | 1999-07-27 | 吸声降噪网装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN99217277U CN2380992Y (zh) | 1999-07-27 | 1999-07-27 | 吸声降噪网装置 |
Publications (1)
Publication Number | Publication Date |
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CN2380992Y true CN2380992Y (zh) | 2000-05-31 |
Family
ID=34008749
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99217277U Expired - Lifetime CN2380992Y (zh) | 1999-07-27 | 1999-07-27 | 吸声降噪网装置 |
Country Status (1)
Country | Link |
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CN (1) | CN2380992Y (zh) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103133815A (zh) * | 2012-12-28 | 2013-06-05 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | 金属烧结丝网降噪装置 |
CN103430916A (zh) * | 2013-09-09 | 2013-12-11 | 于大国 | 一种带有pwm技术的自动可调撒粉工具 |
CN103444637A (zh) * | 2013-09-09 | 2013-12-18 | 于晓慧 | 一种无线控制可调自动撒粉工具 |
CN103461285A (zh) * | 2013-09-09 | 2013-12-25 | 中北大学 | 一种挎肩式可调自动撒粉器 |
CN103461286A (zh) * | 2013-09-09 | 2013-12-25 | 中北大学 | 一种养蚕自动撒粉设备 |
CN111120766A (zh) * | 2019-11-28 | 2020-05-08 | 中国航天空气动力技术研究院 | 一种可拆卸的金属烧结丝网降噪装置 |
-
1999
- 1999-07-27 CN CN99217277U patent/CN2380992Y/zh not_active Expired - Lifetime
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103133815A (zh) * | 2012-12-28 | 2013-06-05 | 中国空气动力研究与发展中心设备设计及测试技术研究所 | 金属烧结丝网降噪装置 |
CN103430916A (zh) * | 2013-09-09 | 2013-12-11 | 于大国 | 一种带有pwm技术的自动可调撒粉工具 |
CN103444637A (zh) * | 2013-09-09 | 2013-12-18 | 于晓慧 | 一种无线控制可调自动撒粉工具 |
CN103461285A (zh) * | 2013-09-09 | 2013-12-25 | 中北大学 | 一种挎肩式可调自动撒粉器 |
CN103461286A (zh) * | 2013-09-09 | 2013-12-25 | 中北大学 | 一种养蚕自动撒粉设备 |
CN111120766A (zh) * | 2019-11-28 | 2020-05-08 | 中国航天空气动力技术研究院 | 一种可拆卸的金属烧结丝网降噪装置 |
CN111120766B (zh) * | 2019-11-28 | 2021-12-07 | 中国航天空气动力技术研究院 | 一种可拆卸的金属烧结丝网降噪装置 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ANTAI SCIENCE AND TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ANTAI SCIENCE AND TECHNOLOGY CO., LTD.; PATENTEE Effective date: 20071019 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20071019 Address after: 100081 No. 76 South College Road, Beijing Patentee after: Antai Science and Technology Co., Ltd. Address before: 100081 No. 76 South College Road, Beijing Co-patentee before: Iron and Steel Central Research Institute of Ministry of Metallurgical Industry Patentee before: Antai Science and Technology Co., Ltd. |
|
C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |