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组合式冲击矿压危险区域地震CT探测用液压式自补偿可控震源
- Release time:2020-10-30
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Type of Patent:
国际State of Patent:
专利授权Application Number:
201420594273.9Number of Inventors:
1Service Invention or Not:
noApplication Date:
2014-10-14Authorization Date:
2015-01-14First Author:
wangguifeng
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