Drilldown: Techtypes
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Austrian patent classifications (1) ·
balloon (2) ·
CPC B64D (1) ·
CPC B64D/62 (1) ·
CPC B64D25/00 (1) ·
CPC B64D37/00 (1) ·
FR 7 (1) ·
frame (1) ·
French patent classifications (1) ·
GB 4 (1) ·
LTA (1) ·
simple tech terms (4) ·
Swiss patent classifications, 1908-1920 (1) ·
USPC 2/410 (1) ·
USPC 2/455 (3) ·
USPC 2/456 (1) ·
USPC 2/69 (1) ·
USPC 244/139 (1) ·
USPC 244/142 (1) ·
USPC 89/36.01 (1)
Showing below up to 23 results in range #1 to #23.
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