CN211402287U - 一种井盖异动和有害气体监测装置 - Google Patents
一种井盖异动和有害气体监测装置 Download PDFInfo
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- CN211402287U CN211402287U CN201921526420.8U CN201921526420U CN211402287U CN 211402287 U CN211402287 U CN 211402287U CN 201921526420 U CN201921526420 U CN 201921526420U CN 211402287 U CN211402287 U CN 211402287U
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Cited By (1)
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CN114519930A (zh) * | 2022-02-23 | 2022-05-20 | 西安中星测控有限公司 | 一种智能井盖监测终端的激活方法 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114519930A (zh) * | 2022-02-23 | 2022-05-20 | 西安中星测控有限公司 | 一种智能井盖监测终端的激活方法 |
CN114519930B (zh) * | 2022-02-23 | 2023-04-28 | 西安中星测控有限公司 | 一种智能井盖监测终端的激活方法 |
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GR01 | Patent grant | ||
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A well cover abnormal movement and harmful gas monitoring device Effective date of registration: 20220526 Granted publication date: 20200901 Pledgee: Shaanxi cultural industry finance Company limited by guarantee Pledgor: Xi'an Chinastar M & C Ltd. Registration number: Y2022610000284 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230529 Granted publication date: 20200901 Pledgee: Shaanxi cultural industry finance Company limited by guarantee Pledgor: Xi'an Chinastar M & C Ltd. Registration number: Y2022610000284 |