CN203233473U - 一种隧道应急通信系统 - Google Patents
一种隧道应急通信系统 Download PDFInfo
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- CN203233473U CN203233473U CN 201320109528 CN201320109528U CN203233473U CN 203233473 U CN203233473 U CN 203233473U CN 201320109528 CN201320109528 CN 201320109528 CN 201320109528 U CN201320109528 U CN 201320109528U CN 203233473 U CN203233473 U CN 203233473U
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Application Number | Priority Date | Filing Date | Title |
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CN 201320109528 CN203233473U (zh) | 2013-03-11 | 2013-03-11 | 一种隧道应急通信系统 |
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CN 201320109528 CN203233473U (zh) | 2013-03-11 | 2013-03-11 | 一种隧道应急通信系统 |
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CN203233473U true CN203233473U (zh) | 2013-10-09 |
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CN 201320109528 Expired - Lifetime CN203233473U (zh) | 2013-03-11 | 2013-03-11 | 一种隧道应急通信系统 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103200339A (zh) * | 2013-03-11 | 2013-07-10 | 北京世纪东方国铁科技股份有限公司 | 隧道应急通信系统及方法 |
CN107231488A (zh) * | 2017-07-05 | 2017-10-03 | 上海京颐科技股份有限公司 | 医护便携式移动终端及医护通信系统 |
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2013
- 2013-03-11 CN CN 201320109528 patent/CN203233473U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103200339A (zh) * | 2013-03-11 | 2013-07-10 | 北京世纪东方国铁科技股份有限公司 | 隧道应急通信系统及方法 |
CN107231488A (zh) * | 2017-07-05 | 2017-10-03 | 上海京颐科技股份有限公司 | 医护便携式移动终端及医护通信系统 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171207 Address after: 102600 Beijing city Daxing District Zhongguancun science and Technology Park Daxing bio pharmaceutical industry base, No. 21 courtyard, Tianrong street, building No. 1 Patentee after: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. Address before: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. twelve, district 31, building (Park) Patentee before: BEIJING CENTURY EAST CHINA RAILWAY TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20171222 Address after: 102600 Beijing city Daxing District Zhongguancun science and Technology Park Daxing bio pharmaceutical industry base, No. 21 courtyard, Tianrong street, building No. 1 Patentee after: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. Address before: 100070 Beijing, Fengtai District, South Fourth Ring Road West, No. twelve, district 31, building (Park) Patentee before: BEIJING CENTURY EAST CHINA RAILWAY TECHNOLOGY Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CP01 | Change in the name or title of a patent holder |
Address after: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee after: Beijing Century Oriental Zhihui Technology Co.,Ltd. Address before: 102600 Beijing Daxing District Zhongguancun Science and Technology Park Daxing Biomedical Industry Base, No. 1 Building, 21 Tianrong Street Patentee before: BEIJING CENTURY DONGFANG COMMUNICATION EQUIPMENT Co.,Ltd. |
|
CP01 | Change in the name or title of a patent holder | ||
CX01 | Expiry of patent term |
Granted publication date: 20131009 |
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CX01 | Expiry of patent term |