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
CA874747A
Inventor
M. Hurter Alfred
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.)
Stadler Hurter International Ltd
Original Assignee
Stadler Hurter International Ltd
Publication date
Application grantedgrantedCritical
Publication of CA874747ApublicationCriticalpatent/CA874747A/en