.~.~.~ Habitat with recirculation and filter means
DEFINITION
Classification: 119/211
Habitat with recirculation and filter means:
(under subclass 207) Subject matter including means for housing and cultivating crustacea which means include a water containment structure which further includes means to cause
recirculation of the contained water while removing contaminants therefrom as it passes through separating means.
SEE OR SEARCH CLASS
210, Liquid Purification or Separation, appropriate subclasses, especially
