CN201707702U - 具有有线广播功能的煤矿人员管理系统 - Google Patents
具有有线广播功能的煤矿人员管理系统 Download PDFInfo
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- CN201707702U CN201707702U CN2009201895282U CN200920189528U CN201707702U CN 201707702 U CN201707702 U CN 201707702U CN 2009201895282 U CN2009201895282 U CN 2009201895282U CN 200920189528 U CN200920189528 U CN 200920189528U CN 201707702 U CN201707702 U CN 201707702U
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CN2009201895282U CN201707702U (zh) | 2009-10-21 | 2009-10-21 | 具有有线广播功能的煤矿人员管理系统 |
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CN2009201895282U CN201707702U (zh) | 2009-10-21 | 2009-10-21 | 具有有线广播功能的煤矿人员管理系统 |
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CN201707702U true CN201707702U (zh) | 2011-01-12 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102705009A (zh) * | 2012-05-22 | 2012-10-03 | 上海乾视通信技术有限公司 | 一种矿山信息系统 |
CN103075191A (zh) * | 2011-10-25 | 2013-05-01 | 上海山源电子电气科技发展有限公司 | 用于矿井应急通讯设备的供电系统及方法 |
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- 2009-10-21 CN CN2009201895282U patent/CN201707702U/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103075191A (zh) * | 2011-10-25 | 2013-05-01 | 上海山源电子电气科技发展有限公司 | 用于矿井应急通讯设备的供电系统及方法 |
CN102705009A (zh) * | 2012-05-22 | 2012-10-03 | 上海乾视通信技术有限公司 | 一种矿山信息系统 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: BEIFANG LIANCHUANG COMMUNICATION CO., LTD. Free format text: FORMER NAME: JIANGXI LIANCHUANG COMMUNICATION CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 330096, LIAN building, No. 168, Jingdong Avenue, Nanchang hi tech Development Zone, Jiangxi, China Patentee after: BEIFANG LIANCHUANG COMMUNICATION CO., LTD. Address before: 330096, LIAN building, No. 168, Jingdong Avenue, Nanchang hi tech Development Zone, Jiangxi, China Patentee before: Jiangxi Lianchuang Communication Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20110112 |
|
CX01 | Expiry of patent term |