| 摘要 |
An apparatus for sustained dispensation of a chemical agent in minute quantities exteriorally of an animal, the chemical agent being such as a pesticide, insect repellentor other pharmacological agent, the apparatus including a small reservoir containing the chemical agent, a wick received within the reservoir and extending sealably exteriorally thereof, the wick having a diameter of not greater than about 5 millimeters (preferably less than 1 millimeter) and of length exteriorally of the reservoir of about 1 inch, the reservoir and contents having a weight of not more than about 10 grams, and a housing for retaining the reservoir exteriorally of the body of an animal.
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