Gaseous proportion dispenser of two ingredients
The utility model relates to a gaseous proportion dispenser of two ingredients, the utility model discloses the problem that will solve be the gaseous proportioning device of present low discharge allthe cost higher or the precision is limited. In order to overcome these defects, this device passes...
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Hauptverfasser: | , , , , , |
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Format: | Patent |
Sprache: | chi ; eng |
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