发明授权
US5015237A Pneumatic powered animal injector 失效
气动动力注射器

Pneumatic powered animal injector
摘要:
A device for injecting serum or the like into animals while remaining at a distance from the animal. The device uses air pressure from a tank built into the device to eject the serum from a syringe on the tip of the wand. The wand is long enough to provide relative safety for the user.
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