| 摘要 |
A dispenser with leverage to precisely control amount of highly viscous liquids and pastes dispensed, to preserve integrity of product by keeping air away from product until dispensed, actuator rod coordinating with ram to maintain concentricity as ram is forced down to dispense product, having a reverse feature that relieves product back pressure and allows excess product at nozzle tip to be pulled back into container to maintain a clean nozzle tip, and to dispense virtually all product.
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