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微型開關 極限開關 limit switch level switch Lock switch 微動開關 微动开关 snap action microswitches(snap action microswitch),Sealed Switches,(Sealed Switch),Basic Switches(Basic Switch),Snap-acting switches(Snap-acting switch),WaterProof micro switches(WaterProof micro switch),Sealed Basic Switches(Sealed Basic Switch),microswitches(microswitch),micro switches(micro switch),Interruptores básicos,Interruptores de acción básicos ,Micro-interruptor a prueba de agua,Schnappschalter,zip switch,zip microswitch