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Supplementary Provisions, Appended Table 1

附則別表一昭和四十四年三月三十一日以前に取得した汚水処理用減価償却資産の耐用年数表

TypeDetailsUseful life
Structures of steel-framed reinforced concrete, reinforced concrete or stone constructionTanks, towers, waterways and reservoirs20 years
Others30
Structures of brick constructionTanks, towers, waterways and reservoirs15
Others20
Structures of concrete, metal or earthen constructionTanks, towers, waterways and reservoirs10
Others15
Structures of wooden or synthetic resin constructionTanks, towers, waterways and reservoirs7
Others9
Machinery and equipment7
種類細目耐用年数
鉄骨鉄筋コンクリート造、鉄筋コンクリート造又は石造の構築物槽、塔、水路及び貯水池二〇年
その他三〇
れんが造の構築物槽、塔、水路及び貯水池一五
その他二〇
コンクリート造、金属造又は土造の構築物槽、塔、水路及び貯水池一〇
その他一五
木造又は合成樹脂造の構築物槽、塔、水路及び貯水池七
その他九
機械及び装置七
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