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贴片直插UPD753012GK UPD750008CU UPD74HC161C UPD74HC373C 5
正品UPD74HC166C UPD74HC164C UPD74HC162G UPD74HC161G UPD74HC1
贴片直插UPD74HC534C/UPD74HC245C/UPD74HC161G/UPD74HC238C/4