CN217899236U - 一种管道非开挖内衬管 - Google Patents
一种管道非开挖内衬管 Download PDFInfo
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Effective date of registration: 20230630 Address after: Unit 8 and 9, Floor 6, Incubation Building East, Hunan University Science Park Project, No. 186 Guyuan Road, High tech Development Zone, Changsha City, 410000, Hunan Province Patentee after: HUNAN MAINHORN TECHNOLOGY DEVELOPMENT Co.,Ltd. Address before: Room 620, Floor 6, East Area, Incubation Building of Hunan University Science Park Project, No. 186 Guyuan Road, Changsha Hi tech Development Zone, Changsha, Hunan 410000 Patentee before: Hunan Minghuang Environmental Technology Co.,Ltd. |
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