JPS61184012U - - Google Patents

Info

Publication number

JPS61184012U

JPS61184012U JP6662585U JP6662585U JPS61184012U JP S61184012 U JPS61184012 U JP S61184012U JP 6662585 U JP6662585 U JP 6662585U JP 6662585 U JP6662585 U JP 6662585U JP S61184012 U JPS61184012 U JP S61184012U

Authority

JP

Japan

Prior art keywords

air chambers

cylindrical air

wood

composite panel

circular grooves

Prior art date

1985-05-07

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.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 239000000463 material Substances 0.000 claims description 4
• 239000002023 wood Substances 0.000 claims description 3
• 239000011094 fiberboard Substances 0.000 claims description 2
• 239000002131 composite material Substances 0.000 claims 2
• 229920002522 Wood fibre Polymers 0.000 claims 1
• 238000009408 flooring Methods 0.000 claims 1
• 239000011120 plywood Substances 0.000 claims 1
• 238000009423 ventilation Methods 0.000 claims 1
• 239000002025 wood fiber Substances 0.000 claims 1