1. Waste treatment with polyelectrolytes, 1972
Author:
Library: Tehran University, technical faculty libraries 1 (Tehran)
Subject: Sewage--purification--patents,Flocculation--Patents,Polymers and polymerization--patents
Classification :
TD
751
.
G87
2. Waste treatment with polyelectrolytes and other flocculants
Author: / Sidney Gutcho
Library: Central Library and Documents Center of Mazandaran University (Mazandaran)
Subject: Sewage- Purification- Flocculation- Patents,Polyelectrolytes- Patents
Classification :
TD751
.
G88
