新幹線トンネル調査 安全確保は後回しか 70年代の工事に難 '99.7.7朝日新聞 新幹線トンネル調査 安全確保は後回しか 70年代の工事に難 '99.7.7朝日新聞
Data source
Disaster Reduction and Human Renovation Institution
The archive of the Disaster Reduction and Human Renovation Institution holds documentation and items created or used during the process of recovery and reconstruction of the afflicted communities in t...
Last updated
April 15, 2019