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霧度儀（光度儀)

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￥16800: WGT－S透光率/霧..

￥6380: SGW-800透光率..

￥25080: SGW-820 透光..

￥18500: SGW-810 透光..

￥6380: SGW-800L透光..

￥12800: SGW-806透光率..

￥18500: SGW-810L透光..