导缘凹凸螺旋桨
Release time:2023-10
Hits:
- Affilication of Author(s):
- 船舶学院
- Disigner of the Invention:
- 王超
- Type of Patent:
- 发明
- Application Number:
- 201210149467.3
- Service Invention or Not:
- no
- Application Date:
- 2012-05
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