Kaitaku Nōgyō Jikkenjō einō seiseki gaiyō
Series: Einō shiryō -- dai 3-gō; Kaitaku Sōkyoku shiryō -- dai 9-gō
Publisher: Kaitaku Sōkyoku
Published: 1941
Place of publication: [Shinkyō?]
Language: jpn
Number of pages: 97