Drilldown: Patents
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- Patents (17619)
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- Techtypes (2388)
Patents > Publication date:
1918
& National tech categories :
HU V/h or
None
& CPCs :
CPC B64B1/00 or
CPC B64B1/40 or
CPC B64C3/00 or
CPC B64C39/08
& Number of claims:
1-2
Use the filters below to narrow your results.
Showing below up to 1 result in range #1 to #1.