Increase (decrease) in provision for safety measures
保安対策引当金の増減額（△は減少）
Tag: measures
Provision for safety measures
保安対策引当金
Increase (decrease) in provision for environmental measures
環境対策引当金の増減額（△は減少）
Provision for environmental measures
環境対策引当金繰入額
保安対策引当金の増減額（△は減少）
Increase (decrease) in provision for safety measures
保安対策引当金
Provision for safety measures
環境対策引当金の増減額（△は減少）
Increase (decrease) in provision for environmental measures
環境対策引当金繰入額
Provision for environmental measures
環境対策引当金
Provision for environmental measures