AU131633B2 - Improvements in parallel rulers - Google Patents

Improvements in parallel rulers

Info

Publication number
AU131633B2
AU131633B2 AU8896/46A AU889646A AU131633B2 AU 131633 B2 AU131633 B2 AU 131633B2 AU 8896/46 A AU8896/46 A AU 8896/46A AU 889646 A AU889646 A AU 889646A AU 131633 B2 AU131633 B2 AU 131633B2
Authority
AU
Australia
Prior art keywords
parallel rulers
rulers
parallel
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
AU8896/46A
Other versions
AU889646A (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.)
ALAN LYON WILKINSON
Original Assignee
ALAN LYON WILKINSON
Filing date
Publication date
Application filed by ALAN LYON WILKINSON filed Critical ALAN LYON WILKINSON
Application granted granted Critical
Publication of AU131633B2 publication Critical patent/AU131633B2/en
Publication of AU889646A publication Critical patent/AU889646A/en
Expired legal-status Critical Current

Links

AU8896/46A 1946-12-20 Improvements in parallel rulers Expired AU131633B2 (en)

Publications (2)

Publication Number Publication Date
AU131633B2 true AU131633B2 (en) 1947-11-20
AU889646A AU889646A (en) 1947-11-20

Family

ID=

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