Waga kuni shuyō toshi ni okeru gasu jigyō hōshō keiyaku
Series: Shisei chōsa shiryō -- dai 18-gō
Publisher: Tōkyō Shisei Chōsakai
Published: 1928
Place of publication: Tōkyō
Language: jpn
Number of pages: 91
Subjects: Gas industry; Public utilities
Other titles: Gasu jigyō hōshō keiyaku.
Notes: Written by Ogura Kuraji.  Cf. Pref.