型號 / 廠家，封裝，批號，備注，訂購

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121F07AC / English Electric Valve Co Ltd,Datasheet,07+,Seven-Segment Numeri 訂購 PDF文檔

121AE / TelCom Semiconductor,Datasheet,07+,3-Input NOR-Function 訂購 PDF文檔

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121AH / TelCom Semiconductor,Datasheet,07+,3-Input NOR-Function 訂購 PDF文檔

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121B07AB / English Electric Valve Co Ltd,Datasheet,07+,Seven-Segment Numeri 訂購 PDF文檔

121B07AD / English Electric Valve Co Ltd,Datasheet,07+,Seven-Segment Numeri 訂購 PDF文檔