About OHASHI YOSHINORI
About 北海道林産試
About SATO TSUKASA
About 北海道林産試
About TODA MASAHIKO
About 北海道林産試
About MAEDA NORIAKI
About 北海道林産試
About TAGUCHI TAKASHI
About 北海道林産試
About FURUTA NAOYUKI
About 北海道林産試
About 北海道立林産試験場報
About property of wood
About Nature and structure of wood(=timber)
About Beams girders
About I形梁
About 実用化
About 曲げ
About 最大耐力
About 評価