Drilldown: Patents
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Patents > National tech categories
:
DE 77h
or
HU V/h
or
USPC 244/22
or
USPC 244/80
& Cites these patents
:
Patent AT-1909-47911
or
USPC 244/26
or
USPC 244/87
or
None
& Citations from after 1930:
None
& Number of text pages:
2
& Number of diagram pages:
2-3
& Number of figures:
6-8 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 8 results in range #1 to #8.