This page displays all 「FI」 in main group B61L13/00. HB:Handbook CC:Concordance ReturnTo FI-Section/Broad-Facet-Choice Onelevelup B61L13/00 Operation of signals from the vehicle or by the passage of the vehicle HB CC 5H161 B61L13/02 .using mechanical interaction between vehicle and track HB CC 5H161 B61L13/04 .using electrical or magnetic interaction between vehicle and track HB CC 5H161 TOP
B61L13/00 Operation of signals from the vehicle or by the passage of the vehicle HB CC 5H161 B61L13/02 .using mechanical interaction between vehicle and track HB CC 5H161 B61L13/04 .using electrical or magnetic interaction between vehicle and track HB CC 5H161