CN208748809U - 一种无动力合流制管道截流及防倒灌装置 - Google Patents
一种无动力合流制管道截流及防倒灌装置 Download PDFInfo
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Denomination of utility model: Unpowered confluence tubulation way dams and anti -backflow device Effective date of registration: 20191231 Granted publication date: 20190416 Pledgee: Lu'an Jin'an financing Company limited by guarantee Pledgor: Anhui environmental science and Technology Co., Ltd. Registration number: Y2019980001407 |
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Date of cancellation: 20220105 Granted publication date: 20190416 Pledgee: Lu'an Jin'an financing Company limited by guarantee Pledgor: ANHUI HONG JI ENVIRONMENAL TECHNOLOGY CO.,LTD. Registration number: Y2019980001407 |