Top IPC subclasses
1
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C12N
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4
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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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2
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C01G
|
2
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Compounds containing metals not covered by subclasses C01D or C01F
|
3
|
C12R
|
2
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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4
|
B82Y
|
2
|
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