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Kewei Liu
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[1]一种炮孔封堵装置, 授权日期:2022-08-30, 授权号:CN 112945040 B.
[2]一种静态爆破防冲孔装置, 授权日期:2022-08-30, 授权号:CN 112945040 B.
[3]VCR法炮孔孔底封堵器及封堵方法, 授权日期:2022-08-19, 授权号:CN 112945042 B.
[4]一种上向炮孔混装炸药装填装置, 授权日期:2022-03-08, 授权号:CN 112762782 B.
[5]一种炮孔封堵装置及方法, 授权日期:2022-02-15, 授权号:CN 112556526 B.
[6]一种爆破防冲孔装置炮孔堵塞方法, 授权日期:2022-05-06, 授权号:CN 112833723 B.
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