石油化学業界の保守点検工事の予算基準 2016年（試行版）
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石油化学業界の点検修理工事の予算定額2016（試行版）をお持ちの方がいらっしゃいましたら、送っていただけると大変助かります！よろしくお願いします！！！！！！！！！！！！！！！！！！！！！！！！
どなたか達人の方で、第2巻 上・下（伝動装置）をお持ちの方はいませんか
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