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3.3kV, 6.6kV屋内用避雷器...3.3kV 2500A 16kV 45kV 6.9kV以上 17kV以下 20kV以下 17kV以下 8.4kV 6.6kV 2500A 22kV 60kV 13.9kV以上 30kV以下[33kV以下] 33kV以下[38kV以下]
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