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B05B11/00—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use
B05B11/01—Single-unit hand-held apparatus in which flow of contents is produced by the muscular force of the operator at the moment of use characterised by the means producing the flow
B05B11/10—Pump arrangements for transferring the contents from the container to a pump chamber by a sucking effect and forcing the contents out through the dispensing nozzle
B05B11/1001—Piston pumps
B05B11/1015—Piston pumps actuated without substantial movement of the nozzle in the direction of the pressure stroke
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Infusion, Injection, And Reservoir Apparatuses
(AREA)