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Sectional modular large-deformation-resistant impact-resistant composite rock bolt and its assembling method
- Release time:2020-10-30
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Affilication of Author(s):
化工学院Disigner of the Invention:
董良,zhaoyuemin,刘初升,彭利平Type of Patent:
国内State of Patent:
专利授权Application Number:
201510222482.XNumber of Inventors:
5Service Invention or Not:
noApplication Date:
2015-05-04Authorization Date:
2017-11-10First Author:
江海深