Saikin jūnenkan ni okeru teion kanryū kōgyō no hattatsu
Subtitle: tsuketari teion kanryū to kōkusu-ka
Series: Teion kanryū jigyō ni kansuru chōsa -- sono 4
Publisher: Teikoku Nenryō Kōgyō Kabushiki Kaisha Gijutsubu Chōsaka
Published: 1941
Place of publication: [Tokyo]
Language: jpn
Number of pages: 30