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We have released new technical information.

We have released new technical information of Mr. Minoya Takeishi, a technical committee member of the Japan-Korea Tunnel Technical Committee.

This is the content of the Japan-Korea Tunnel Technical Committee as Tsushima-Gyeongsangnam-do Tunnel Technical Information XNUMX.

Please see here.

Tsushima-Gyeongsangnam-do Tunnel Technical Information XNUMX