Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA896342A
Inventor
Nardi Giancarlo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnia Italiana Westinghouse Freni e Segnali
Original Assignee
Compagnia Italiana Westinghouse Freni e Segnali
Publication date
Application grantedgrantedCritical
Publication of CA896342ApublicationCriticalpatent/CA896342A/en