A commutator for electric drill is long in service life
The utility model relates to the technical field of commutators. The commutator for the electric drill is long in service life. The commutator comprises a commutator body, one side of the commutator body is movably connected with a steering shaft; the outer wall of the steering shaft is fixedly conn...
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Format: | Patent |
Sprache: | chi ; eng |
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