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全新74HC4040D-T 74HC4040BIR 74HC4028M1R 74HC4024DR2 74HC4024
丝印M74HC4040M1R M74HC4040BIR M74HC4040B1R M74HC4028M1R
M74HC4040BIR-威健芯城不是原装不要钱/有接收价就出
M74HC4040BIR-威健芯城只做原装正品实单给好价优势现货
