Drilldown: Patents
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Patents > National tech categories :
FR 10.1 or
FR 6.3 or
USPC 244/22
& IPCs :
IPC B64C11/36 or
IPC B64C35/00
& First filing:
No
& Number of text pages:
3
Use the filters below to narrow your results.
Showing below up to 2 results in range #1 to #2.