Top IPC subclasses
1
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B64G
|
1
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cosmonauticsvehicles or equipment therefor
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2
|
F24J
|
1
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Production or use of heat not otherwise provided for
|
3
|
G01F
|
1
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measuring volume, volume flow, mass flow, or liquid levelmetering by volume
|
4
|
H01L
|
1
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Semiconductor devices; electric solid state devices not otherwise provided for
|
5
|
B65B
|
1
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machines, apparatus or devices for, or methods of, packaging articles or materialsunpacking
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