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贴片直插MC74VHC14DTR2，MC74VHC138ML1，MC74VHC139MEL，4
丝印MC74VHC139FTF-MC74VHC139DR2-MC74VHC126DR2-MC74VHC125MEL
贴片直插MC74VHC139DR2，MC74VHC138MEL，MC74VHC138ML2，4
贴片直插MC74VHC14MEL，MC74VHC139DG，MC74VHC14DTG，4
