Invention Grant
US08490611B2 Distance compensation sight device for aiming an archery bow 失效
用于瞄准射箭弓的距离补偿瞄准装置

Distance compensation sight device for aiming an archery bow
Abstract:
A sight device for aiming an archery bow includes a body, and a fluid conduit assembly coupled to the body and containing a liquid, the level of the liquid in at least a portion of the fluid conduit assembly providing a sight indication for the archery bow.
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