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 "source": "楽天市場の商品名から機械で読み取り（送料込み・レビュー実績あり・数量を選べる商品は除外）",
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   "displayUnit": "ロール1個ぶん",
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   "breakdown": "170m × 48ロール = 8,160m"
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   "breakdown": "150m × 48ロール = 7,200m"
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   "price": 6336,
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   "price": 5940,
   "displayUnit": "ロール1個ぶん",
   "displayPrice": "¥20",
   "breakdown": "250m × 6ロール × 6パック = 9,000m"
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   "price": 2981,
   "displayUnit": "ロール1個ぶん",
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   "breakdown": "250m × 4ロール × 4P = 4,000m"
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   "price": 4400,
   "displayUnit": "ロール1個ぶん",
   "displayPrice": "¥24",
   "breakdown": "150m × 36ロール = 5,400m"
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}