JPS59128815U - 吸音材 - Google Patents

吸音材

Info

Publication number
JPS59128815U
JPS59128815U JP2259883U JP2259883U JPS59128815U JP S59128815 U JPS59128815 U JP S59128815U JP 2259883 U JP2259883 U JP 2259883U JP 2259883 U JP2259883 U JP 2259883U JP S59128815 U JPS59128815 U JP S59128815U
Authority
JP
Japan
Prior art keywords
holes
sound absorbing
absorbing material
fiberboard
large number
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.)
Granted
Application number
JP2259883U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6328741Y2 (zh
Inventor
和博 佐藤
弘 坂下
Original Assignee
大建工業株式会社
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 by 大建工業株式会社 filed Critical 大建工業株式会社
Priority to JP2259883U priority Critical patent/JPS59128815U/ja
Publication of JPS59128815U publication Critical patent/JPS59128815U/ja
Application granted granted Critical
Publication of JPS6328741Y2 publication Critical patent/JPS6328741Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Laminated Bodies (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP2259883U 1983-02-17 1983-02-17 吸音材 Granted JPS59128815U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2259883U JPS59128815U (ja) 1983-02-17 1983-02-17 吸音材

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2259883U JPS59128815U (ja) 1983-02-17 1983-02-17 吸音材

Publications (2)

Publication Number Publication Date
JPS59128815U true JPS59128815U (ja) 1984-08-30
JPS6328741Y2 JPS6328741Y2 (zh) 1988-08-02

Family

ID=30153691

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2259883U Granted JPS59128815U (ja) 1983-02-17 1983-02-17 吸音材

Country Status (1)

Country Link
JP (1) JPS59128815U (zh)

Also Published As

Publication number Publication date
JPS6328741Y2 (zh) 1988-08-02

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