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一种利用磨料射流提高采煤机开采煤层厚度的装置及方法
- Release time:2020-10-30
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Affilication of Author(s):
机电工程学院Disigner of the Invention:
蔡芝源,LIU Songyong,chengjingyi,高魁东,崔玉明Type of Patent:
国内State of Patent:
专利授权Application Number:
201910481202.5Number of Inventors:
6Service Invention or Not:
noApplication Date:
2019-06-04Authorization Date:
2020-03-27First Author:
jianghongxiang
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