JPH0542479Y2 - - Google Patents

Info

Publication number
JPH0542479Y2
JPH0542479Y2 JP1989011178U JP1117889U JPH0542479Y2 JP H0542479 Y2 JPH0542479 Y2 JP H0542479Y2 JP 1989011178 U JP1989011178 U JP 1989011178U JP 1117889 U JP1117889 U JP 1117889U JP H0542479 Y2 JPH0542479 Y2 JP H0542479Y2
Authority
JP
Japan
Prior art keywords
sound
sound absorption
holes
back side
absorbing
Prior art date
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 - Lifetime
Application number
JP1989011178U
Other languages
English (en)
Japanese (ja)
Other versions
JPH02102597U (en]
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989011178U priority Critical patent/JPH0542479Y2/ja
Publication of JPH02102597U publication Critical patent/JPH02102597U/ja
Application granted granted Critical
Publication of JPH0542479Y2 publication Critical patent/JPH0542479Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP1989011178U 1989-02-01 1989-02-01 Expired - Lifetime JPH0542479Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989011178U JPH0542479Y2 (en]) 1989-02-01 1989-02-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989011178U JPH0542479Y2 (en]) 1989-02-01 1989-02-01

Publications (2)

Publication Number Publication Date
JPH02102597U JPH02102597U (en]) 1990-08-15
JPH0542479Y2 true JPH0542479Y2 (en]) 1993-10-26

Family

ID=31219502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989011178U Expired - Lifetime JPH0542479Y2 (en]) 1989-02-01 1989-02-01

Country Status (1)

Country Link
JP (1) JPH0542479Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006342565A (ja) * 2005-06-08 2006-12-21 Daiken Trade & Ind Co Ltd 防音内装材

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751350A (en) * 1980-09-09 1982-03-26 Matsushita Electric Works Ltd Sound insulating building material
JPS58151029U (ja) * 1982-03-31 1983-10-11 高崎製紙株式会社 吸音断熱材
JPS6075510U (ja) * 1983-10-29 1985-05-27 大建工業株式会社 化粧吸音体

Also Published As

Publication number Publication date
JPH02102597U (en]) 1990-08-15

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