Drilldown: Patents

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Patents > Application number: None & National tech categories: DE 77h.4

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LTA (35) · balloon (16) · gas (8) · frame (8) · airship (6) · compartments (6) · material (6) · valve (4) · metal (3) · fabric (3) · rigid (3) · ballonet (3) · Tragkörper (3)
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Showing below up to 39 results in range #1 to #39.

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