Top IPC subclasses
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1
|
G01N
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2
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Investigating or analysing materials by determining their chemical or physical properties
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|
2
|
C12N
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2
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Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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3
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C08L
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1
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Compositions of macromolecular compounds
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4
|
C12Q
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1
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measuring or testing processes involving enzymes or micro-organismscompositions or test papers there
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