CN209345477U - 地板上、下串风隔离装置 - Google Patents
地板上、下串风隔离装置 Download PDFInfo
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- CN209345477U CN209345477U CN201821374933.7U CN201821374933U CN209345477U CN 209345477 U CN209345477 U CN 209345477U CN 201821374933 U CN201821374933 U CN 201821374933U CN 209345477 U CN209345477 U CN 209345477U
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CN201821374933.7U CN209345477U (zh) | 2018-08-24 | 2018-08-24 | 地板上、下串风隔离装置 |
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CN201821374933.7U CN209345477U (zh) | 2018-08-24 | 2018-08-24 | 地板上、下串风隔离装置 |
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CN209345477U true CN209345477U (zh) | 2019-09-03 |
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CN201821374933.7U Active CN209345477U (zh) | 2018-08-24 | 2018-08-24 | 地板上、下串风隔离装置 |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: 266000 no.687 fusion Road, gugukou fusion Innovation Zone, Binhai street, Huangdao District, Qingdao City, Shandong Province Patentee after: Henghua Digital Technology Group Co.,Ltd. Address before: 266000 14F, Jinguang building, 56 Hong Kong Middle Road, Qingdao, Shandong Province Patentee before: QINGDAO HENGHUA COMPUTER ROOM EQUIPMENT ENGINEERING Co.,Ltd. |
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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: Upper and lower cross air isolation devices on the floor Effective date of registration: 20211227 Granted publication date: 20190903 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Henghua Digital Technology Group Co.,Ltd. Registration number: Y2021370010145 |
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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: 20230104 Granted publication date: 20190903 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: Henghua Digital Technology Group Co.,Ltd. Registration number: Y2021370010145 |