Container apparatus for processing biological specimens therein is described wherein a perforated box-like bottom member has a perforated box-like cover member telescopically fitted thereon which is capable of being supported in several positions to adjust the enclosed volume of the container to compensate...http://www.google.fr/patents/US4034884?utm_source=gb-gplus-shareBrevet US4034884 - Biological specimen process apparatus and cover member therefor
Biological specimen process apparatus and cover member therefor
