Drilldown: Patents
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Patents > Office :
DK or
FR or
HU
& Filing date:
1905
& National tech categories:
FR 6.4
& IPCs :
IPC B64B1/58 or
IPC B64C39/00
& CPCs :
CPC B64C39/00 or
CPC B64C39/003 or
CPC B64C39/005
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.