22 mm 不发光 嵌入式 金属 按键 操作器
可配置元件，主体 按钮，圆形 不发光
得捷: PUSH BUTTON OPERATOR 22 MM NON I
Allied Electronics: Pushbutton Operator, Non-Illum"d., Recessed Operator, Red, Momentary, 22mm
Verical: 22MM NON-ILLUMINATED METAL OPERATORS
Altech