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
CA891982A
Inventor
Souviron Paul
Cluzel 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.)
ENTREPRISE MINIERE ET CHIMIQUE EX OFFICE NATIONAL INDUSTRIEL DE L'AZOTE
Original Assignee
ENTREPRISE MINIERE ET CHIMIQUE EX OFFICE NATIONAL INDUSTRIEL DE L'AZOTE
Publication date
Application grantedgrantedCritical
Publication of CA891982ApublicationCriticalpatent/CA891982A/en