Hokushi ni okeru nigari riyō keikaku narabini nisan no iken
By: Tanaka Yasuo
Contributors: Mantetsu Chūō Shikenjo
Publisher: Minami Manshū Tetsudō Kabushiki Kaisha Chūō Shikenjo
Published: 1940
Place of publication: [Dairen]
Language: jpn
Number of pages: 26
Subjects: Salt industry and trade
Notes: Confidential document (stamped).