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Home › Method of determining the amount of the substances or ions contained in an ionic solution or a non-deionized solution and a one-sidebarrier-covered crystal oscillator used therefor

Method of determining the amount of the substances or ions contained in an ionic solution or a non-deionized solution and a one-sidebarrier-covered crystal oscillator used therefor

US Patent 5049808 · Granted Sep 17, 1991

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