| 摘要 |
Metering stopper combined with a receptacle A, closed by the stopper B, which device can be broken down into 1. square assembly which allows the metering, composed of: 2. bottom plate; 3. top plate; 4. axis of the square. It should be noted that the apparatus itself determines the dose to be delivered by the simple action of inverting the receptacle and delivers it according to requirements. <IMAGE>
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