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Speed of Light Meter (115 V, 50/60 Hz), 1000881 [U8476460-115], 빛의 속도

Speed of Light Meter (115 V, 50/60 Hz)

Item: 1000881 [U8476460-115]

Speed of Light Meter (230 V, 50/60 Hz), 1000882 [U8476460-230], 빛의 속도

Speed of Light Meter (230 V, 50/60 Hz)

Item: 1000882 [U8476460-230]