SPRAY DEVICE AND METHOD
A spray device (20) including a barrel (22) having a bypass (30) and at least two spaced stoppers (32, 34) defining a first and second chambers (42, 44) and a spray nozzle (46). Movement of the first stopper (32) drives the second stopper (34) to the bypass (30) and the fluid in the first chamber (4...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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