| 摘要 |
The present invention generally relates to a delivery system for dispensing product(s). More particularly, the present invention relates to a delivery system for dispensing product wherein the system has a dispensing mechanism that prevents oozing out of the product after dispensing occurs. The delivery system comprises a body having at least one cavity for housing the product(s) and a plunger or a piston and rod assembly and a means for actuating the piston assembly wherein the piston assembly has a mechanism of dispensing which has an effective suck back effect.
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