【Sunhayato】AT-48C,
【Sunhayato】AT-48D,
【Sunhayato】AT-49,
【NKK Switches】AT490JB,CAP RND CLR/WHT FOR KB LED SER
【NKK Switches】AT490JC,CAP RND CLR/RED FOR KB LED SER
【NKK Switches】AT490JD,CAP RND CLR/AMB FOR KB LED SER
【NKK Switches】AT490JE,开关硬件 RND CLR/YLW CAP LED
【NKK Switches】AT490JF,CAP RND CLR/GRN FOR KB LED SER