This page displays all 「FI」 in main group B64C37/00. HB:Handbook CC:Concordance ReturnTo FI-Section/Broad-Facet-Choice Onelevelup B64C37/00 Convertible aircraft [1, 2006.01] HB CC 3D140 B64C37/02 . Flying units formed by separate aircraft (towing B64D 3/00; aircraft transported by aircraft B64D 5/00; air-refuelling B64D 39/00) [1, 2006.01] HB CC 3D140 TOP
B64C37/00 Convertible aircraft [1, 2006.01] HB CC 3D140 B64C37/02 . Flying units formed by separate aircraft (towing B64D 3/00; aircraft transported by aircraft B64D 5/00; air-refuelling B64D 39/00) [1, 2006.01] HB CC 3D140