Unga, kōmon
By: Fukuda Hideo, Makuta Sadao kyōcho
Contributors: Makuta, Sadao
Publisher: Doboku Gijutsusha
Published: 1944
Place of publication: Tōkyō
Language: jpn
Number of pages: 273
Subjects: Canals; Locks (Hydraulic engineering)
Notes: Includes bibliographical references (p. 2 (1st group)).