CN208060476U - A kind of oxygen concentration detection and alarm system for cellar - Google Patents
A kind of oxygen concentration detection and alarm system for cellar Download PDFInfo
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- CN208060476U CN208060476U CN201820575413.6U CN201820575413U CN208060476U CN 208060476 U CN208060476 U CN 208060476U CN 201820575413 U CN201820575413 U CN 201820575413U CN 208060476 U CN208060476 U CN 208060476U
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CN201820575413.6U CN208060476U (en) | 2018-04-20 | 2018-04-20 | A kind of oxygen concentration detection and alarm system for cellar |
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CN201820575413.6U CN208060476U (en) | 2018-04-20 | 2018-04-20 | A kind of oxygen concentration detection and alarm system for cellar |
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CN208060476U true CN208060476U (en) | 2018-11-06 |
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CN201820575413.6U Active CN208060476U (en) | 2018-04-20 | 2018-04-20 | A kind of oxygen concentration detection and alarm system for cellar |
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Effective date of registration: 20190813 Address after: 610045 No. 1 Building No. 18 East Fourth Road, Wuke District, Chengdu City, Sichuan Province, Unit 2, Floor 4, 401 Patentee after: DINGLI KYUSHU QUALITY INSPECTION TECHNOLOGY SERVICE Co.,Ltd. Address before: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20190813 Address after: 510000 Guangzhou High-tech Industrial Development Zone Science Avenue 231, 233 Skirt Building B1B2, 1st, 2nd, 3rd and 4th floors Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 311800 Jiangcun 187, Dongbaihu Town, Zhuji City, Shaoxing City, Zhejiang Province Patentee before: Jin Miaoxin |
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TR01 | Transfer of patent right |