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贴片直插MC74VHC595DT，MC74VHC573DT，MC74VHC595DG，4
贴片直插MC74VHC595DG，MC74VHC574DW，MC74VHC574MG，4
丝印MC74VHC74DTG-MC74VHC74DR2-MC74VHC595DT-MC74VHC595DG
