gptkbp:patentCitation
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gptkb:US_6,000,005
gptkb:US_6,000,007
gptkb:US_6,000,008
gptkb:US_6,000,009
US_5,000,000
US_5,500,000
US_5,600,000
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US_5,800,000
US_5,900,000
US_6,000,001
US_6,000,002
US_6,000,003
US_6,000,004
US_6,000,006
US_6,000,010
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