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
CA202,590A
Inventor
Abram L. Abrukin
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Application filed by VSESOJUZNY NEFTEGAZOVY NAUCHNO-ISSLEDOVATELSKY INSTITUTfiledCriticalVSESOJUZNY NEFTEGAZOVY NAUCHNO-ISSLEDOVATELSKY INSTITUT
Priority to CA202,590ApriorityCriticalpatent/CA1011398A/en
Application grantedgrantedCritical
Publication of CA1011398ApublicationCriticalpatent/CA1011398A/en