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
CA684467A
Inventor
Heyn Friedbert
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.)
Industrie-Companie Kleinewefers Konstruktions-Und Handelsgesellschaft Mb H
Original Assignee
Industrie-Companie Kleinewefers Konstruktions-Und Handelsgesellschaft Mb H
Publication date
Application grantedgrantedCritical
Publication of CA684467ApublicationCriticalpatent/CA684467A/en