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
CA873971A
Inventor
Halousek Jan
Prihoda Karel
Svamberk Jiri
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.)
USTAV UZITE GEOFYZIKY
Original Assignee
USTAV UZITE GEOFYZIKY
Publication date
Application grantedgrantedCritical
Publication of CA873971ApublicationCriticalpatent/CA873971A/en