精确定位阀芯的调节阀
Release time:2024-11
Hits:
- Patent description:
- 韩伟实，沈明启，韩旭，刘春雨，杨志达，周杰，栾秀春．精确定位阀芯的调节阀，CN101430023，2009-05-13．
- Service Invention or Not:
- no
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