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一种坚硬岩体的掘进装置
- Release time:2020-10-30
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Affilication of Author(s):
机电工程学院Disigner of the Invention:
孟德光,LIU Songyong,杜长龙,李洪盛,吴洪状Type of Patent:
国内State of Patent:
专利授权Application Number:
201711304457.1Number of Inventors:
6Service Invention or Not:
noApplication Date:
2017-12-11Authorization Date:
2019-10-08First Author:
jianghongxiang
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