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贴片直插SN74LS123D,SN74LS112A,SN74LS04NG,SN74LS08MG,4
贴片直插SN74LS05NG,SN74LS04MG,SN74LS00NG,SN74LS04DG,4
原卖SN24LS04N MAX738ACPA CQY80NG SN74LS20N