The invention comprises an apparatus for emptying and rinsing out photographic chemical containers into a mixing tank and provides a means of completely removing all chemical residues from the containers in a manner which is safe for the operator. The apparatus has an emptying trough for emptying the...http://www.google.es/patents/US5640643?utm_source=gb-gplus-sharePatente US5640643 - Apparatus for emptying and rinsing out photographic chemical containers into a mixing tank
Apparatus for emptying and rinsing out photographic chemical containers into ...