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ハンドブック 鉄鋼Ⅰ JISハンドブック · ・jis a 5005:2020、jis a 5011-5:2020を収録・・・8-1 建築Ⅰ-1 ・jis b 0271:2018、jis b 7512:2018を収録・・・46
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