Durable vacuum oil pumping device

The utility model belongs to the technical field of oil pumping devices, and particularly relates to a durable vacuum oil pumping device. The device comprises a vacuum tank, a vacuumizing device for vacuumizing the vacuum tank, at least one vacuum oil pumping tank communicated with a gas path of the...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	FENG JUNXUE, HE DIAN, ZHOU JIAJIN, LU ZIYI, ZHANG ZHIGE, ZHANG QINGSONG, CHEN WEICAI, WANG YIPEI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING PIPE-LINE SYSTEMS PIPE-LINES STORING OF DISTRIBUTING GASES OR LIQUIDS WEAPONS
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