JPS6111185Y2 - - Google Patents

Info

Publication number

JPS6111185Y2

JPS6111185Y2 JP2110481U JP2110481U JPS6111185Y2 JP S6111185 Y2 JPS6111185 Y2 JP S6111185Y2 JP 2110481 U JP2110481 U JP 2110481U JP 2110481 U JP2110481 U JP 2110481U JP S6111185 Y2 JPS6111185 Y2 JP S6111185Y2

Authority

JP

Japan

Prior art keywords

ceiling

light source

lighting

plate

shielding plate

Prior art date

1981-02-17

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

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• 230000000694 effects Effects 0.000 description 4
• 238000004519 manufacturing process Methods 0.000 description 2
• 239000000463 material Substances 0.000 description 2
• 229920003002 synthetic resin Polymers 0.000 description 2
• 239000000057 synthetic resin Substances 0.000 description 2
• 230000001747 exhibiting effect Effects 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 239000012780 transparent material Substances 0.000 description 1