US PATENT SUBCLASS 435 / FOR 220
.~ Fused or hybrid cell per se (935/95)

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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

FOR 214  DD  HYBRID OR FUSED CELL TECHNOLOGY, E.G., HYBRIDOMA, ETC. (935/89) {4}
FOR 220.~ Fused or hybrid cell per se (935/95) {5}
FOR 221  DD  .~.~> Interspecies fusion (935/96)
FOR 222  DD  .~.~> Fungi, e.g., yeasts, etc. (935/97)
FOR 223  DD  .~.~> Plant cells (935/98)
FOR 224  DD  .~.~> Human cell 935/99) {2}
FOR 227  DD  .~.~> Animal cell (935/102) {1}