JPH0178924U - - Google Patents

Info

Publication number
JPH0178924U
JPH0178924U JP1987175474U JP17547487U JPH0178924U JP H0178924 U JPH0178924 U JP H0178924U JP 1987175474 U JP1987175474 U JP 1987175474U JP 17547487 U JP17547487 U JP 17547487U JP H0178924 U JPH0178924 U JP H0178924U
Authority
JP
Japan
Prior art keywords
absorption coefficient
sound absorption
average sound
measuring device
input
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.)
Pending
Application number
JP1987175474U
Other languages
English (en)
Japanese (ja)
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 JP1987175474U priority Critical patent/JPH0178924U/ja
Publication of JPH0178924U publication Critical patent/JPH0178924U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
JP1987175474U 1987-11-17 1987-11-17 Pending JPH0178924U (US08063081-20111122-C00115.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987175474U JPH0178924U (US08063081-20111122-C00115.png) 1987-11-17 1987-11-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987175474U JPH0178924U (US08063081-20111122-C00115.png) 1987-11-17 1987-11-17

Publications (1)

Publication Number Publication Date
JPH0178924U true JPH0178924U (US08063081-20111122-C00115.png) 1989-05-26

Family

ID=31467265

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987175474U Pending JPH0178924U (US08063081-20111122-C00115.png) 1987-11-17 1987-11-17

Country Status (1)

Country Link
JP (1) JPH0178924U (US08063081-20111122-C00115.png)

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