一种原竹打孔辅助装置
Release time:2024-08-09
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- Affilication of Author(s):
- 土木工程学院
- Scope of patent:
- 国内
- Disigner of the Invention:
- 王媛,寇跃峰
- Type of Patent:
- Utility models
- State of Patent:
- 专利授权
- Application Number:
- 2020209261120
- Service Invention or Not:
- yes
- Application Date:
- 2020-05-27
- Authorization Date:
- 2021-04-20
- First Author:
- tianlimin
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