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AU109963B2 - Improvements in focussing systems - Google Patents
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AU109963B2 - Improvements in focussing systems - Google Patents

Improvements in focussing systems

Info

Publication number
AU109963B2
AU109963B2 AU923/39A AU92339A AU109963B2 AU 109963 B2 AU109963 B2 AU 109963B2 AU 923/39 A AU923/39 A AU 923/39A AU 92339 A AU92339 A AU 92339A AU 109963 B2 AU109963 B2 AU 109963B2
Authority
AU
Australia
Prior art keywords
focussing systems
focussing
systems
Prior art date
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
AU923/39A
Other versions
AU92339A (en
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU92339A publication Critical patent/AU92339A/en
Publication of AU109963B2 publication Critical patent/AU109963B2/en
Expired legal-status Critical Current

Links

AU923/39A 1939-03-02 Improvements in focussing systems Expired AU109963B2 (en)

Publications (2)

Publication Number Publication Date
AU92339A AU92339A (en) 1940-03-14
AU109963B2 true AU109963B2 (en) 1940-03-14

Family

ID=

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