多线谱可变频充液管道消声器
Release time:2024-11
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- Patent description:
- 靳国永,高林,石双霞,杨铁军,刘志刚,多线谱可变频充液管道消声器, 201010511269.8, 2012.02.01
- Service Invention or Not:
- no
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