華北水利委員會二十年來工作槪况
By: Huabei shui li wei yuan hui
Publisher: Huabei shui li wei yuan hui
Published: 1947
Place of publication: Tianjin
Language: chi
Number of pages: 74
Subjects: Water conservation
Other titles: Huabei shui li wei yuan hui er shi nian lai gong zuo gai kuang; Huabei shui li wei yuan hui 20 nian lai gong zuo gai kuang
Notes: Errata slip inserted.