JPH0378887U - - Google Patents

Info

Publication number

JPH0378887U

JPH0378887U JP13974989U JP13974989U JPH0378887U JP H0378887 U JPH0378887 U JP H0378887U JP 13974989 U JP13974989 U JP 13974989U JP 13974989 U JP13974989 U JP 13974989U JP H0378887 U JPH0378887 U JP H0378887U

Authority

JP

Japan

Prior art keywords

material made

soundproof door

stile

voids

filling

Prior art date

1989-11-30

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

• 239000011358 absorbing material Substances 0.000 claims description 2
• 239000011162 core material Substances 0.000 claims description 2
• 239000000463 material Substances 0.000 claims description 2
• 239000011120 plywood Substances 0.000 claims description 2
• 241000269799 Perca fluviatilis Species 0.000 description 1
• 238000009413 insulation Methods 0.000 description 1