Patent classifications
C
CHEMISTRY; METALLURGY
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C12
BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
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C12N
MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
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2760/00
ssRNA viruses negative-sense
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C12N2760/16111
Influenzavirus A, i.e. influenza A virus
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C12N2760/16151
Methods of production or purification of viral material
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C12N2760/16152
relating to complementing cells and packaging systems for producing virus or viral particles
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