专利名称：Hand-held dispenser发明人：Rodney Laible申请号：US11132553申请日：20050519公开号：US07237728B1公开日：20070703
专利附图：
摘要：A hand-held dispenser for precisely controlling the flow rate of watertherethrough and for precisely controlling the metering of a liquid chemical into thewater passing through the apparatus.
申请人：Rodney Laible
地址：P.O. Box 12278 Omaha NE 68112 US
国籍：US
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