Sorenpō ni okeru nenryō jukyū mondai
Subtitle: furoku, Soren sekiyugyō no genjō
Series: Sorenpō jijō -- 15
Publisher: Kikakuchō
Published: 1937
Place of publication: [Tokyo]
Language: jpn
Number of pages: 73
Subjects: Fuel trade
Notes: Cover title.

Translation of a magazine article written by V. Legat.