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この投稿は、2016年12月22日 08:32にfight3558586によって最終的に編集されました。面積が300平方メートルを超える倉庫の避難用出口の数は、（）個以上でなければなりません。A4；B2；C3；
B 2300平方メートル以下の場合は1つだけ設置できる
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