CN216767214U - 一种用于空气质量的电动百叶窗 - Google Patents
一种用于空气质量的电动百叶窗 Download PDFInfo
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Denomination of utility model: An electric shutter for air quality Effective date of registration: 20220831 Granted publication date: 20220617 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO SEME ANIMAL HUSBANDRY ENGINEERING Co.,Ltd. Registration number: Y2022370010134 |
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Date of cancellation: 20230905 Granted publication date: 20220617 Pledgee: Qingdao high technology financing Company limited by guarantee Pledgor: QINGDAO SEME ANIMAL HUSBANDRY ENGINEERING Co.,Ltd. Registration number: Y2022370010134 |