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AU971822A - Optical apparatus for instructional purposes - Google Patents

Optical apparatus for instructional purposes

Info

Publication number
AU971822A
AU971822A AU9718/22A AU971822A AU971822A AU 971822 A AU971822 A AU 971822A AU 9718/22 A AU9718/22 A AU 9718/22A AU 971822 A AU971822 A AU 971822A AU 971822 A AU971822 A AU 971822A
Authority
AU
Australia
Prior art keywords
optical apparatus
instructional purposes
instructional
purposes
optical
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
AU9718/22A
Inventor
Taylor William
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.)
Kapella Ltd
Original Assignee
Kapella Ltd
Filing date
Publication date
Application filed by Kapella Ltd filed Critical Kapella Ltd
Publication of AU971822A publication Critical patent/AU971822A/en
Expired legal-status Critical Current

Links

AU9718/22A 1922-11-02 Optical apparatus for instructional purposes Expired AU971822A (en)

Publications (1)

Publication Number Publication Date
AU971822A true AU971822A (en) 1922-11-04

Family

ID=

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