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n4freepatentsonline.
Subject Item
isa:163770666
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Field of the InventionThis invention relates to a system for receiving and treating sewage, especially biologically active human sewage on a water-borne vessel, so that the sewage, after treatment, can be retained or, where circumstances permit, safely discharged into the environment without degrading the environment.
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n4:com
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isa:163770666