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Patents

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基于采场应力状态的岩体稳定性评价方法，201611208171.9

Release time:2022-04-03 Hits:

Service Invention or Not:  no

Pre One:一种无冻结器液氮人工地层冻结方法，201611205956.0 Next One:冻结管断裂监测预警系统与方法，201611208188.4

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