Drilldown: Patents
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Patents > Year granted:
1912
& Office :
CH or
GB or
IN or
UN
& Inventor country:
US
& CPCs :
CPC B64B1/00 or
CPC B64C2700/6256 or
CPC B64C2700/6295
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balance (1) ·
design (2) ·
frame (1) ·
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whole (1) ·
wings (1)
Showing below up to 8 results in range #1 to #8.