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
CA753812A
Inventor
Bullinger Gottlieb
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.)
Clemens Riefler Fabrik Mathematischer Instrumente
Original Assignee
Clemens Riefler Fabrik Mathematischer Instrumente
Publication date
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