About MACHIDA HATSUO
About OGURO SHOJI
About SUGAI YOSHIAKI
About ザイエンス
About SHIGEYAMA TOMOMI
About ザイエンス
About 群馬県林業試験場研究報告
About Cryptomeria japonica
About wood processing
About preservative treatment
About dwelling house
About structural member
About laminated wood
About Chamaecyparis obtusa
About Pseudotsuga menziesii
About sawmilling
About sawn lumber
About building construction
About dimensional accuracy
About durability
About Pinus densiflora
About material
About Gunma prefecture
About hybrid material
About sill
About Lumbering,processing
About スギ材
About 防腐処理
About 開発