Drilldown: Techtypes
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- Airplane (18)
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- Event (141)
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- Organizations (966)
- Patents (17472)
- Person (2068)
- Publications (24415)
- Techtypes (2356)
Use the filters below to narrow your results.
Enclosing categories:
Simple tech terms (11) ·
propulsion (4) ·
CPC B64C11/00 (4) ·
CA 244/3 (3) ·
USPC 244/62 (3) ·
USPC 244 (3) ·
GB 4 (2) ·
CPC B64D (2) ·
Swiss patent classifications, 1908-1920 (2) ·
NL 62 (2) ·
CPC B64C11/32 (2) ·
CPC B64C11/30 (2) ·
CPC B64D35/00 (2) ·
Dutch patent classifications (2) ·
airplane (2) ·
USPC 446/34 (2) ·
British patent classifications (2) ·
USPC 446/57 (2)
Subcategories:
Showing below up to 88 results in range #1 to #88.