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北京中科力爆炸技术工E有限公司成立于1989q?月，是由中国U学院力学研I所、广东宏大爆破股份有限公司和自然东合资组建的h独立法h...

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1、中U力专家从事金属矿山开采与爆破高新技术开发、设计、施工管理工作长达三十年余年的时间?..

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