CN206942771U - 开挖台架 - Google Patents
开挖台架 Download PDFInfo
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- CN206942771U CN206942771U CN201720387491.9U CN201720387491U CN206942771U CN 206942771 U CN206942771 U CN 206942771U CN 201720387491 U CN201720387491 U CN 201720387491U CN 206942771 U CN206942771 U CN 206942771U
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CN201720387491.9U CN206942771U (zh) | 2017-04-13 | 2017-04-13 | 开挖台架 |
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CN201720387491.9U CN206942771U (zh) | 2017-04-13 | 2017-04-13 | 开挖台架 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107060801A (zh) * | 2017-04-13 | 2017-08-18 | 杨涛 | 开挖台架 |
CN109372523A (zh) * | 2018-12-13 | 2019-02-22 | 华东交通大学 | 一种隧道爆破开挖施工用旋转托架 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107060801A (zh) * | 2017-04-13 | 2017-08-18 | 杨涛 | 开挖台架 |
CN109372523A (zh) * | 2018-12-13 | 2019-02-22 | 华东交通大学 | 一种隧道爆破开挖施工用旋转托架 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Yang Tao Inventor after: Gu Chunyu Inventor before: Yang Tao |
|
CB03 | Change of inventor or designer information | ||
TR01 | Transfer of patent right |
Effective date of registration: 20180202 Address after: 100089 No. 2, Haidian District, Beijing, Wanshou Road Co-patentee after: Railway Group Company Limited traffic engineering branch Patentee after: The Sixth Engineering Bureau Group Co., Ltd., China Railway Address before: 046000 Shanxi province Changzhi City suburb north railway long road three lane 4 green building 2 unit 9 Patentee before: Yang Tao |
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TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200413 |
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CF01 | Termination of patent right due to non-payment of annual fee |