Anti-freezing sampler

The utility model provides an anti-freezing sampler which comprises a shell, an inlet is formed in the shell, and a mounting cavity is formed in the shell; the valve core assembly is movably mounted in the mounting cavity; the control part is connected with the valve element assembly and used for dr...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	CHEN WEI, YU XUEXIAN, MA YINGBIN, FANG XUELIAN, LIU YUE, ZHANG HAO, KAN XINGDONG, XIE YUBING, YANG WENXUE, ZHU JIANXIONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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