About MACHIDA HATSUO
About 日本木材学会大会研究発表要旨集(完全版)(CD-ROM)
About pedestrian bridge
About member(material)
About wooden wares
About degradation(alteration)
About steel
About cedar wood
About wood
About testing device
About penetration test(granular)
About property of wood
About Pilodyn
About 木製部材
About Lumbering,processing
About Road engineering in general
About 歩道橋
About 劣化調査