JPH0314705Y2 - - Google Patents

Info

Publication number

JPH0314705Y2

JPH0314705Y2 JP11679985U JP11679985U JPH0314705Y2 JP H0314705 Y2 JPH0314705 Y2 JP H0314705Y2 JP 11679985 U JP11679985 U JP 11679985U JP 11679985 U JP11679985 U JP 11679985U JP H0314705 Y2 JPH0314705 Y2 JP H0314705Y2

Authority

JP

Japan

Prior art keywords

frame

display board

mounting

arm

blackboard

Prior art date

1985-07-29

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

Links

• Espacenet
• Global Dossier
• Discuss

• 238000005286 illumination Methods 0.000 claims description 10
• 238000010276 construction Methods 0.000 description 6
• 230000000694 effects Effects 0.000 description 3
• 230000003014 reinforcing effect Effects 0.000 description 3
• 238000009434 installation Methods 0.000 description 2
• 238000000034 method Methods 0.000 description 2
• XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
• 229910052782 aluminium Inorganic materials 0.000 description 1
• 238000007796 conventional method Methods 0.000 description 1
• 238000005516 engineering process Methods 0.000 description 1
• 239000002023 wood Substances 0.000 description 1