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一种变流量低温环型油雾喷射钻套

Release Time:2022-10-20  Hits:

First Author: Fuji Wang

Disigner of the Invention: 王小鞑,王帅飞,贾振元,成德,李跃

Institution: 机械工程学院

Application Number: CN109128303A

Authorization Number: CN201811022469.X

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