CN209302559U - 一种自组装简易的配制一定浓度气体装置 - Google Patents
一种自组装简易的配制一定浓度气体装置 Download PDFInfo
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Assignee: Heihe mingrunda environmental monitoring Co., Ltd Assignor: HEIHE University Contract record no.: X2020510000022 Denomination of utility model: A simple self assembling device for preparing gas with certain concentration Granted publication date: 20190827 License type: Common License Record date: 20200825 |
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Effective date of registration: 20210709 Address after: 164300 Room 303, south side, third floor, International Trade City, daheihe Island, Heihe City Cooperation Zone, Heilongjiang Province (Free Trade Zone) Patentee after: Heihe mingrunda environmental monitoring Co., Ltd Address before: 164300 No. 1 College Road, Aihui District, Heihe City, Heilongjiang Province Patentee before: HEIHE University |
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