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一种铜基石墨复合密封材料 专利
专利类型: 发明专利, 专利号: 201810076366.5, 申请日期: 2020-07-31,
Inventors:  张永胜;  姜小芳;  宋俊杰;  苏云峰;  樊恒中;  胡丽天
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