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
CA904836A
Inventor
Coelho Mendes Da Rocha Manuel
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.)
LABORATORIO NACIONAL DE ENGENHARIA CIVIL
Original Assignee
LABORATORIO NACIONAL DE ENGENHARIA CIVIL
Publication date
Application grantedgrantedCritical
Publication of CA904836ApublicationCriticalpatent/CA904836A/en