JPS5669290A - Sound absorbing material - Google Patents

Sound absorbing material

Info

Publication number
JPS5669290A
JPS5669290A JP14130779A JP14130779A JPS5669290A JP S5669290 A JPS5669290 A JP S5669290A JP 14130779 A JP14130779 A JP 14130779A JP 14130779 A JP14130779 A JP 14130779A JP S5669290 A JPS5669290 A JP S5669290A
Authority
JP
Japan
Prior art keywords
absorbing material
sound absorbing
sound
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.)
Granted
Application number
JP14130779A
Other languages
English (en)
Japanese (ja)
Other versions
JPS631600B2 (enrdf_load_stackoverflow
Inventor
Hitoshi Yasumura
Masahiko Shiraishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Idemitsu Kosan Co Ltd
Original Assignee
Idemitsu Kosan Co Ltd
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 Idemitsu Kosan Co Ltd filed Critical Idemitsu Kosan Co Ltd
Priority to JP14130779A priority Critical patent/JPS5669290A/ja
Publication of JPS5669290A publication Critical patent/JPS5669290A/ja
Publication of JPS631600B2 publication Critical patent/JPS631600B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP14130779A 1979-11-02 1979-11-02 Sound absorbing material Granted JPS5669290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14130779A JPS5669290A (en) 1979-11-02 1979-11-02 Sound absorbing material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14130779A JPS5669290A (en) 1979-11-02 1979-11-02 Sound absorbing material

Publications (2)

Publication Number Publication Date
JPS5669290A true JPS5669290A (en) 1981-06-10
JPS631600B2 JPS631600B2 (enrdf_load_stackoverflow) 1988-01-13

Family

ID=15288839

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14130779A Granted JPS5669290A (en) 1979-11-02 1979-11-02 Sound absorbing material

Country Status (1)

Country Link
JP (1) JPS5669290A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS631600B2 (enrdf_load_stackoverflow) 1988-01-13

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