Specification of Frans Julius Fahlman
By Frans Julius Fahlman
Subjects: Feces, Disinfection and disinfectants, Urine, Sewage disposal
Description: Patent for a device to disinfect excrement with urine.
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Subjects: Feces, Disinfection and disinfectants, Urine, Sewage disposal
Description: Patent for a device to disinfect excrement with urine.
You must log in to leave comments.