Top IPC subclasses
1
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C23D
|
2
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enamelling of, or applying a vitreous layer to, metals
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2
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C03C
|
2
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chemical composition of glasses, glazes, or vitreous enamelssurface treatment of glasssurface treatm
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3
|
F03D
|
1
|
Wind motors
|
4
|
D06F
|
1
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laundering, drying, ironing, pressing or folding textile articles
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5
|
C10M
|
1
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lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a l
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