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全新SN74AHC04DGVR SN74AHC04DBLE SN74AHC02RGYR SN74AHC02PWLE
全新SN74AHC08DRG4 SN74AHC08DGVR SN74AHC08DBLE SN74AHC04RGYR
新SN74AHC08DBLE SN74AHC14PWLE SN74AHC04DBLE R