Drilldown: Patents
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Patents > Inventor country:
GB
& Full specification filed date:
1919
& National tech categories :
USPC 244/3.23 or
None
& IPCs :
IPC B64B1/62 or
IPC B64C1/00 or
IPC B64C13/00 or
IPC B64C3/18 or
IPC B64C35/00
& Number of claims:
1-2
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Showing below up to 4 results in range #1 to #4.