【Meterman】DM73B,数字万用表 PEN TYPE DMM
DM73C,
【Fairchild Semiconductor】DM7400M,门（与/非与/或/非或） Qd 2-Input NAND Gate
【Fairchild Semiconductor】DM7400N,门（与/非与/或/非或） Qd 2-Input NAND Gate
【Fairchild Semiconductor】DM7402N,IC GATE NOR QUAD 2INP 14-DIP
【Fairchild Semiconductor】DM7403N,IC GATE NAND QUAD OPEN OUT 14DIP
【Fairchild Semiconductor】DM7404M,变换器 Hex Inverter
【Fairchild Semiconductor】DM7404MX,变换器 Hex Inverter
