US PATENT SUBCLASS 435 / FOR 123
MUTATION OR GENETIC ENGINEERING (435/172.1)

Current as of: June, 1999
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435 /   HD   CHEMISTRY: MOLECULAR BIOLOGY AND MICROBIOLOGY

FOR 123MUTATION OR GENETIC ENGINEERING (435/172.1) {2}
FOR 124  DD  .~> Fused or hybrid cell formation (435/172.2)
FOR 125  DD  .~> Recombination (435/172.3)