An improved filtering medium for rotary drum filters and methods of dewatering liquid sludge therewith.

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An improved filtering medium for rotary drum filters and methods of dewatering liquid sludge therewith

Номер патента: AU149938B2
Опубликовано: 08-09-1949
Автор(ы):
Принадлежит: Kilmaine Sanderson Engineering Corp