Drilldown: Patents
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Patents > Inventor country :
AT or
AU or
CA
& Filing date:
1910 - 1919
& National tech categories :
AT 77d or
CA 244/10 or
FR 5 or
USPC 244/90R
& CPCs :
CPC B64C2700/6235 or
None
& Number of claims:
5-20
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Subsystem (1) ·
valve (1) ·
Wings (1)
Showing below up to 12 results in range #1 to #12.
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