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        <link:definition>06044 - Disclosure - Inventories, Net and Significant Suppliers (Details Textual)</link:definition>
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        <link:definition>06054 - Disclosure - Goodwill and Intangible Assets, Net (Details 4)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>0504 - Disclosure - Inventories, Net and Significant Suppliers (Tables)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>06033 - Disclosure - Accounts Receivable, Net and Revenue Concentrations (Details 3)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>06032 - Disclosure - Accounts Receivable, Net and Revenue Concentrations (Details 2)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>06034 - Disclosure - Accounts Receivable, Net and Revenue Concentrations (Details Textual)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType roleURI="http://uei.com/role/AccountsReceivableNetAndRevenueConcentrationsDetails1" id="AccountsReceivableNetAndRevenueConcentrationsDetails1">
        <link:definition>06031 - Disclosure - Accounts Receivable, Net and Revenue Concentrations (Details 1)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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        <link:definition>0603 - Disclosure - Accounts Receivable, Net and Revenue Concentrations (Details)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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        <link:definition>06021 - Disclosure - Cash and Cash Equivalents (Details Textual)</link:definition>
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        <link:definition>0602 - Disclosure - Cash and Cash Equivalents (Details)</link:definition>
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      <link:roleType roleURI="http://uei.com/role/CashAndCashEquivalentsTables" id="CashAndCashEquivalentsTables">
        <link:definition>0502 - Disclosure - Cash and Cash Equivalents (Tables)</link:definition>
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</XBRL>
