A device that is used for automatic offshore oil production platform spud leg aufwuch of clearing up
The utility model discloses a device that is used for automatic offshore oil production platform spud leg aufwuch of clearing up, including direct current motor and electric telescopic handle, directcurrent motor's bottom is connected with the rotation axis, and is fixed with the drum outside t...
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Format: | Patent |
Sprache: | chi ; eng |
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