Stainless steel tube end oil-wetting method, involves wetting stainless steel tube end on its outer surface and inner surface, where wetting of inner surface is effected by its aperture opening
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Apparatus for the recovery of fats and the like from waste waters.
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Apparatus for carrying out bacterial purification of sewage or drain water.
GB190420889A
Improvements in or relating to a Method of and Apparatus for the Bacterial Purification of Sewage and the like
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Apparatus for the recovery of fats or the like.
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A Process of and Apparatus for the Recovery of Fats and the like
