CN209147890U - 一种用于天然气管网直径检测装置 - Google Patents
一种用于天然气管网直径检测装置 Download PDFInfo
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- CN209147890U CN209147890U CN201822187525.7U CN201822187525U CN209147890U CN 209147890 U CN209147890 U CN 209147890U CN 201822187525 U CN201822187525 U CN 201822187525U CN 209147890 U CN209147890 U CN 209147890U
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- telescopic rod
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- detecting diameter
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Cited By (1)
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CN110412238A (zh) * | 2019-08-30 | 2019-11-05 | 贵州大学 | 一种伸缩式采集煤矿井下气体的瓦斯杖 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110412238A (zh) * | 2019-08-30 | 2019-11-05 | 贵州大学 | 一种伸缩式采集煤矿井下气体的瓦斯杖 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A diameter detection device for natural gas pipe network Effective date of registration: 20201224 Granted publication date: 20190723 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGDONG ZHUJIANG GAS GROUP Co.,Ltd. Registration number: Y2020980009855 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
CP03 | Change of name, title or address |
Address after: 510000 No. 188, caibin North Road, Baiyun District, Guangzhou City, Guangdong Province (office use only) Patentee after: Zhujiang Gas Group Co.,Ltd. Address before: 510000 Caibin North Road, Baiyun District, Guangzhou City, Guangdong Province, 188 Patentee before: GUANGDONG ZHUJIANG GAS GROUP CO.,LTD. |
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CP03 | Change of name, title or address | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211221 Granted publication date: 20190723 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGDONG ZHUJIANG GAS GROUP CO.,LTD. Registration number: Y2020980009855 |
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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 diameter detection device for natural gas pipe network Effective date of registration: 20211223 Granted publication date: 20190723 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: Zhujiang Gas Group Co.,Ltd. Registration number: Y2021980016114 |
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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: 20230223 Granted publication date: 20190723 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: Zhujiang Gas Group Co.,Ltd. Registration number: Y2021980016114 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |