Device for preventing oral syringe needle from being stabbed
The utility model discloses a device for preventing an oral syringe needle from being stabbed. The device comprises a slender needle, a slender reset spring, a plastic pipe sleeve, a broken belt clamping groove, a V-shaped strip plate, a pressing hemisphere block, a pressing rod, a short column bloc...
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Format: | Patent |
Sprache: | chi ; eng |
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