Oil cylinders capable of expanding and retracting reliably and sequentially, multi-oil cylinder sequential telescopic mechanism and engineering machinery
The invention discloses oil cylinders capable of expanding and retracting reliably and sequentially, a multi-oil cylinder sequential telescopic mechanism and engineering machinery, and belongs to thetechnical field of fluid pressure executing mechanisms. A first piston rod is provided with a sixth o...
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Format: | Patent |
Sprache: | chi ; eng |
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