Top IPC subclasses
1
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E02F
|
1
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dredgingsoil-shifting
|
2
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A24F
|
1
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smokers' requisitesmatch boxes
|
3
|
F41C
|
1
|
smallarms, e.g. pistols, riflesaccessories therefor
|
4
|
E02D
|
1
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foundationsexcavationsembankmentsunderground or underwater structures
|
5
|
A63B
|
1
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apparatus for physical training, gymnastics, swimming, climbing, or fencingball gamestraining equipm
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