43 kg-B kijō kison no kenkyū.
Contributors: Minami Manshū Tetsudō Kabushiki Kaisha. Gokkan Taisaku Rinji Iinkai. Dai 1 Bunkakai.; Mantetsu Tetsudō Gijutsu Kenkyūjo.
Series: Gokkan Taisaku Rinji Iinkai Daiichi Bunkakai hōkoku -- dai 6-gō; Shiken hōkoku -- dai 209-gō; Shiken hōkoku (Mantetsu Tetsudō Gijutsu Kenkyūjo) -- dai 209-gō.
Publisher: Minami Manshū Tetsudō Kabushiki Kaisha Tetsudō Gijutsu Kenkyūjo
Published: 1940
Place of publication: Dairen-shi
Language: jpn
Subjects: Railroad rails.; Railroads -- Maintenance and repair.
Notes: Cover title.