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
CA895983A
Inventor
Courbon Jean
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.)
Gtm Travaux Publics (gtmtp) And L'aerotrain Ste
Original Assignee
Gtm Travaux Publics (gtmtp) And L'aerotrain Ste
Publication date
Application grantedgrantedCritical
Publication of CA895983ApublicationCriticalpatent/CA895983A/en