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贴片直插MC74HC163AFR1G，MC74HC161AFR2G，MC74HC163AFELG，4
贴片直插MC74HC161ADR2G，MC74HC157AFR1G，MC74HC157AFR2G，4
贴片直插MC74HC163AFL1G，MC74HC161AFR1G，MC74HC163ADR2G，4
