A storage canister for process liquid includes a receptacle having a top side formed with two apertures. The receptacle houses two leakage proof pouches of elastic material each having an opening closed by a control valve. An upper part of respective valve housing projects through the aperture and is...http://www.google.fr/patents/US4958666?utm_source=gb-gplus-shareBrevet US4958666 - Storage canister for process liquids for use in an apparatus for wet processing of photographic material
Storage canister for process liquids for use in an apparatus for wet ...
