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国家能源与山东康格申请底鼓治理方法专利,解决现有底鼓治理方法 ...
金融界2025年3月28日消息,国家知识产权局信息显示,国家能源集团宁夏煤业有限责任公司和山东康格能源科技有限公司申请一项名为“底鼓治理方法”的专利,公开号CN 119686766 A,申请日期为2024年11月。
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