AU274532B2 - A height-adjustable shcool blackboard - Google Patents

A height-adjustable shcool blackboard

Info

Publication number
AU274532B2
AU274532B2 AU38389/63A AU3838963A AU274532B2 AU 274532 B2 AU274532 B2 AU 274532B2 AU 38389/63 A AU38389/63 A AU 38389/63A AU 3838963 A AU3838963 A AU 3838963A AU 274532 B2 AU274532 B2 AU 274532B2
Authority
AU
Australia
Prior art keywords
shcool
blackboard
adjustable
height
shcool blackboard
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
AU38389/63A
Other versions
AU3838963A (en
Inventor
JENNY and MAX ALTMANN HANS
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.)
Palorag
Original Assignee
Palorag
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Palorag filed Critical Palorag
Application granted granted Critical
Publication of AU274532B2 publication Critical patent/AU274532B2/en
Publication of AU3838963A publication Critical patent/AU3838963A/en
Expired legal-status Critical Current

Links

AU38389/63A 1963-11-16 1963-12-03 A height-adjustable shcool blackboard Expired AU274532B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CHCH14069/63 1963-11-16

Publications (2)

Publication Number Publication Date
AU274532B2 true AU274532B2 (en) 1965-06-03
AU3838963A AU3838963A (en) 1965-06-03

Family

ID=

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