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
Inventor
Vian-Ortuno Angel
Iriarte-Fernandez Conrado
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.)
Instituto Nacional de Industria CETME
Original Assignee
Instituto Nacional de Industria CETME
Publication date
Application grantedgrantedCritical
Publication of CA668326ApublicationCriticalpatent/CA668326A/en