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Inventor
NUSSELDER FREDERIK B
NL
2 patents
Patents
2 patents
US4535888A
Aug 20, 1985
Storage cassette for two or more disk-shaped high memory density information carriers
POLYGRAM GMBH
173 citations
93
US4874085A
Oct 17, 1989
Storage cassette for high storage density, disc-shaped information carriers
POLYGRAM GMBH
113 citations
90