Top IPC subclasses
1
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B82B
|
1
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nano-structuresmanufacture or treatment thereof
|
2
|
B25H
|
1
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workshop equipment, e.g. for marking-out workstorage means for workshops
|
3
|
H01L
|
1
|
Semiconductor devices; electric solid state devices not otherwise provided for
|
4
|
H05K
|
1
|
printed circuitscasings or constructional details of electric apparatusmanufacture of assemblages of
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