Drilldown: Patents
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Patents > National tech categories
:
DE 77h.5
or
USPC 244/90R
& First filing:
None
& Number of diagram pages:
1 ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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CPC B64C1/1407 (1) ·
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IPC B64C1/26 (1)
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