| 摘要 |
An apparatus adapted to be mounted upon an aerial projectile for releasing a drug within the body of a game animal includes a first cylindrical member having first and second axially spaced flanges, and a second cylindrical member concentrically disposed around the first cylindrical member so as to form an annular chamber for the storage of the drug. The apparatus exhibits complete axial symmetry so as to enhance the aerodynamic stability of the projectile during flight.
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