Efficient nitrogen charging device

The utility model provides an efficient nitrogen charging device. The efficient nitrogen charging device comprises a cylinder barrel; the piston is arranged in the cylinder barrel and divides an inner cavity of the cylinder barrel into two oil cavities; the oil pump sequentially charges oil to two s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WU JINGREN, ZHOU YUNCHENG, WANG WENHU, CHEN ZHONGNIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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