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SN74LS145芯片163N161
编码器现货SN74LS147N优先
SN74LS13NSN74LS139SN74LS145SN74LS147
SN74LS145DSN74LS13ENSN74LS145NSN74LS147N
编码器现货SN74LS147N原装
集成块编码器HD74LS147PSN74LS147N
编码器SN74LS147N芯片优先
编码器SN74LS147N优先74LS147
SN74LS147N74LS147DIP16
编码器SN74LS147N74LS147全新
HD74LS133PSN74LS124NDIP16171
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