Prevent self -balancing saucer of drinking cup slope
The utility model provides a prevent self -balancing saucer of drinking cup slope constitutes its characterized in that by interior bracket (1), outer bracket (2), support (3): the rotation inslot of outside bracket (2) is cup jointed to the axis of rotation of interior bracket (1), and the rotation...
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Format: | Patent |
Sprache: | chi ; eng |
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