12-A10-40,CIRCUIT BREAKER SOCKET
12-A10-60,CIRCUIT BREAKER SOCKET
【LEXMARK】12A1980,
【LEXMARK】12A1990,
12ABCN223-15,12KV 3.15AMP FUSE 1410
12ABCNA3.15,保险丝 12KV 3.15A
12AT7,
12AU7,
