Extracting equipment convenient for engineering investigation of various rocks

The extraction equipment comprises a bottom frame and a material distribution frame, an embedding groove is formed in the right side of the inner wall of the bottom frame, an annular groove is formed in the right side of the embedding groove, an embedding ring is connected into the embedding groove...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	HAN LUMING
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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