Horizontal drilling system of two -way double -end of H shaped steel post
The utility model discloses a horizontal drilling system of two -way double -end of H shaped steel post belongs to drilling equipment technical field. Include fuselage (2) and locate electric unit (1)and drilling equipment integrated (7) on fuselage (2), fuselage (2) are located including the fusela...
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Format: | Patent |
Sprache: | chi ; eng |
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