Novel recovered and helped device
The utility model discloses a novel recovered and helped device, including the chassis, the chassis bilateral symmetry is provided with two collateral branch faggings, two collateral branch fagging one sides all are provided with recovered board through extension spring, recovered board bottom is co...
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Hauptverfasser: | , , , , , , , , , , , , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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