Mizu saisei riyō jikken hōkokusho
Subtitle: Shōwa 61-nendo
Contributors: Zōsui Sokushin Sentā (Japan)
Publisher: Tōkyō-to Gesuidōkyoku; Zōsui Sokushin Sentā
Published: 1987
Place of publication: [Tokyo]
Language: jpn
Number of pages: 51
Subjects: Water reuse; Sewage; Purification