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Fly Sprays
| 配方类型： |
Elementary preparations |
| 配方组成： |
methyl salicylate/1 fl oz
pyrethrum powder/10 oz
deodorized kerosene/80 fl oz |
| 配制方法： |
mix thoroughly by stirring from time allow to stand covered ovemight and then filter through muslin . this spray is inflammable and should not be used near open flames |
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