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贴片直插MC74HC1G14DFT1 MC74HC175AFR2G MC74HC175DTR2G 4
贴片直插MC74HC157AFL2,MC74HC14AFR2G,MC74HC157ADR2,4
贴片直插MC74HC14ADTELG,MC74HC139AFL2G,MC74HC139AFR1G,4
贴片直插MC74HC14ADTEL,MC74HC139AFR1,MC74HC14ADR2G,4