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
Links
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175474U JPH0178924U (ru) | 1987-11-17 | 1987-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987175474U JPH0178924U (ru) | 1987-11-17 | 1987-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0178924U true JPH0178924U (ru) | 1989-05-26 |
Family
ID=31467265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987175474U Pending JPH0178924U (ru) | 1987-11-17 | 1987-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0178924U (ru) |
-
1987
- 1987-11-17 JP JP1987175474U patent/JPH0178924U/ja active Pending
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