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全新HD74HCT245RPVEL HD74HCT244TVELL HD74HCT244FP-EL
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原卖HD74HC86 HD74HCT125RPEL HD74HCT240FP-TR HD74HCT245FP
全新HD74HCT245FP HD74HCT244FP HD74HCT241FP HD74HCT240FP