JPS6128464Y2 - - Google Patents

Info

Publication number

JPS6128464Y2

JPS6128464Y2 JP8855881U JP8855881U JPS6128464Y2 JP S6128464 Y2 JPS6128464 Y2 JP S6128464Y2 JP 8855881 U JP8855881 U JP 8855881U JP 8855881 U JP8855881 U JP 8855881U JP S6128464 Y2 JPS6128464 Y2 JP S6128464Y2

Authority

JP

Japan

Prior art keywords

speaker

ceiling

vertical groove

mounting hole

operating

Prior art date

1981-06-16

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

• 210000000078 claw Anatomy 0.000 description 3
• 239000000463 material Substances 0.000 description 3
• 238000005192 partition Methods 0.000 description 3
• 241000699670 Mus sp. Species 0.000 description 1
• 238000005452 bending Methods 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 238000012423 maintenance Methods 0.000 description 1
• 229920003002 synthetic resin Polymers 0.000 description 1
• 239000000057 synthetic resin Substances 0.000 description 1