专利名称：Cleaning apparatus and method发明人：Robert V. Franklin申请号：US08/141396申请日：19931022公开号：US05353821A公开日：19941011
摘要：An apparatus useful for providing a plurality of chemical compositions useful toclean an item, e.g., a tank, comprises a plurality of reservoirs each containing a
concentrated form of a different chemical composition and each having an outlet throughwhich the concentrate exits the reservoir; a subsystem for providing diluent to theconcentrates which exit the reservoir to form the chemical compositions; and a controlsubsystem to automatically control the time during which each concentrate exits fromeach reservoir. A method for providing chemical compositions useful to clean an item isalso disclosed.
申请人：DOBER CHEMICAL CORPORATION
代理人：Frank J. Uxa
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