Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 王永文 孙岩 杜伟 张宏钢 雷乾贵 孟海勇 刘晓辉 李洋 梁常琛 李美芳 常有 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Active Application number CN202121974372.6U Other languages Chinese ( zh) Google Patents CN215853014U - Coal sliding nozzle dredging device CN215853014U - Coal sliding nozzle dredging device
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