Volume 14, 1978, Issue 2
Portugal in need of machine to purify and refine salt in ocean water
On other side of coin, ER, a, membrane, man in Azores wants equipment-machinery to get salt out of ocean water, also to purify and refine salt....
On other side of coin, ER, a, membrane, man in Azores wants equipment-machinery to get salt out of ocean water, also to purify and refine salt....