Ryūen tekkō chōsa shiryō
Series: Shina ritsuan chōsa shorui -- dai 4-hen, dai 2-kan, dai 1-gō, sono 2
Publisher: Minami Manshū Tetsudō Kabushiki Kaisha Chōsabu
Published: 1937
Place of publication: [Dairen]
Language: jpn
Number of pages: 179
Subjects: Steel industry and trade; Iron industry and trade
Notes: Issued as confidential document.