第五回全国林業技術員改良普及実績発表大会資料
By: Rinʾyachō [Shidōbu Kenkyū Fukyūka] hen
Publisher: Rinʾyachō Shidōbu Kenkyū Fukyūka
Published: 1957
Place of publication: Tōkyō
Language: jpn
Number of pages: 213
Subjects: Forestry innovations; Forestry extension
Other titles: Dai 5-kai Zenkoku Ringyō Gijutsuin Kairyō Fukyū Jisseki Happyō Taikai shiryō