gptkbp:patentCitation
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gptkb:US_40,000,000_B2
US_35,000,000_B2
US_36,000,000_B2
US_50,000,000_B2
US_38,000,000_B2
US_39,000,000_B2
US_41,000,000_B2
US_42,000,000_B2
US_43,000,000_B2
US_44,000,000_B2
US_45,000,000_B2
US_46,000,000_B2
US_47,000,000_B2
US_48,000,000_B2
US_49,000,000_B2
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