Drilldown: Patents
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Patents > Year filed:
1914
& Office :
FR or
GB or
SU
& IPCs :
IPC B64C1/00 or
IPC B64C3/00 or
IPC B64C39/00
& Number of diagram pages:
2-6
& Number of figures:
4-10
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air pressure (1) ·
airplane (4) ·
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whole aeroplane (1) ·
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Showing below up to 8 results in range #1 to #8.