CN209446548U - 一种用于识别气体的检测装置 - Google Patents
一种用于识别气体的检测装置 Download PDFInfo
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- CN209446548U CN209446548U CN201822149618.0U CN201822149618U CN209446548U CN 209446548 U CN209446548 U CN 209446548U CN 201822149618 U CN201822149618 U CN 201822149618U CN 209446548 U CN209446548 U CN 209446548U
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PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A detection device for identifying gas Effective date of registration: 20200427 Granted publication date: 20190927 Pledgee: Ningbo Tianjin Enterprise Service Co., Ltd. Pledgor: NINGBO AIR QUALITY SYSTEMS Co.,Ltd. Registration number: Y2020330000197 |
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PE01 | Entry into force 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: 20201207 Granted publication date: 20190927 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO AIR QUALITY SYSTEMS Co.,Ltd. Registration number: Y2020330000197 |
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PC01 | Cancellation 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 detection device for gas identification Effective date of registration: 20201207 Granted publication date: 20190927 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO AIR QUALITY SYSTEMS Co.,Ltd. Registration number: Y2020330001142 |
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PE01 | Entry into force 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: 20211116 Granted publication date: 20190927 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO AIR QUALITY SYSTEMS Co.,Ltd. Registration number: Y2020330001142 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |