Drilldown: Patents
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Patents > Office
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BE
or
NO
& Inventor country
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BE
or
CH
or
VN
& National tech categories
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USPC 244/45R
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None
& IPCs
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IPC B64C31/06
or
None
& Number of figures:
None ![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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![](/aero/extensions/Cargo/drilldown/resources/filter-x.png)
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Showing below up to 8 results in range #1 to #8.