Nagasaki-ken osui shori koso, 2012
By: Nagasaki-ken
Contributors: Nagasaki-ken (Japan). Mizu Kankyō Taisakuka
Publisher: Nagasaki-ken Kankyōbu Mizu Kankyō Taisakuka
Published: 2012
Place of publication: Nagasaki
Language: jpn
Number of pages: 48
Subjects: Sewage disposal plants; Sewage; Purification
Notes: Cover title.