CN206656941U - 一种便携式pm2.5检测装置 - Google Patents
一种便携式pm2.5检测装置 Download PDFInfo
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CN112834396A (zh) * | 2020-12-30 | 2021-05-25 | 刘艳娜 | 一种能检测不同高度防水汽干扰的空气检测装置 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112834396A (zh) * | 2020-12-30 | 2021-05-25 | 刘艳娜 | 一种能检测不同高度防水汽干扰的空气检测装置 |
CN112834396B (zh) * | 2020-12-30 | 2024-04-30 | 西华县利顺信息技术有限公司 | 一种能检测不同高度防水汽干扰的空气检测装置 |
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Denomination of utility model: A portable PM2.5 detection device Effective date of registration: 20201209 Granted publication date: 20171121 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU HENGCHUANG TESTING TECHNOLOGY SERVICE Co.,Ltd. Registration number: Y2020980009025 |
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Date of cancellation: 20230526 Granted publication date: 20171121 Pledgee: Bank of China Limited Guangzhou Development Zone Branch Pledgor: GUANGZHOU HENGCHUANG TESTING TECHNOLOGY SERVICE CO.,LTD. Registration number: Y2020980009025 |
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