About TSUKUDA TAKESHI
About 北大 大学院農学院
About KOIZUMI AKIO
About 北大 大学院農学研究院
About SAWATA KEI
About 北大 大学院農学研究院
About SASAKI YOSHIHISA
About 北大 大学院農学研究院
About 北海道大学演習林研究報告
About Wood
About furniture
About projection portion
About contraction (dimensional change)
About bonding and joining
About Quercus mongolica var.Crispula
About Ulmus
About Pinaceae
About pull-out test
About bending test (bending)
About compressive strength
About fit
About drawing (plastic working)
About mechanical strength
About wood processing
About cog
About dowel junction
About Ulmus davidiana
About Acrogymnospermae
About mechanical property
About strength
About 生木
About dowel junction
About Ulmus davidiana var.japonica
About compressive strength
About woodworking
About Lumbering,processing
About 丸
About ほぞ
About 収縮
About 性能評価