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                  首頁 科研成果
                  專利名稱: 一種用于地應力測試中快速鉆進的鉆頭
                  專利類別: 實用新型
                  申請號: CN201820562017.X
                  申請日期:
                  專利號: ZL201820562017.X
                  第一發明人: 趙武勝;陳衛忠;王富奇;曹懷軒;閆憲洋;邢天海;鄭有雷;程文武
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