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一种吸力式筒形基础沉筒纠偏与加固装置
Release time:2020-04-09 Hits:
First Author:yangqing
Disigner of the Invention:孔纲强,lihui,yanggang
Application Number:201920097592.1
Authorization Date:2019-01-21
Authorization number:ZL 201920097592.1