Drilldown: Patents
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Patents > IPCs :
IPC B64B1/00 or
IPC B64C25/00 or
IPC B64C33/00 or
IPC B64C39/00
& Citations from after 1930:
1-2
& Number of figures:
9-20
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Showing below up to 12 results in range #1 to #12.
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