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
CA814008A
Inventor
Hoppe Egon
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.)
Ministerul Industriei Constructiilor de Masini
Original Assignee
Ministerul Industriei Constructiilor de Masini
Publication date
Application grantedgrantedCritical
Publication of CA814008ApublicationCriticalpatent/CA814008A/en