JPH022903U - - Google Patents

Info

Publication number
JPH022903U
JPH022903U JP7730188U JP7730188U JPH022903U JP H022903 U JPH022903 U JP H022903U JP 7730188 U JP7730188 U JP 7730188U JP 7730188 U JP7730188 U JP 7730188U JP H022903 U JPH022903 U JP H022903U
Authority
JP
Japan
Prior art keywords
sound
sound absorbing
absorbing
entrance
hole
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
JP7730188U
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 JP7730188U priority Critical patent/JPH022903U/ja
Publication of JPH022903U publication Critical patent/JPH022903U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
JP7730188U 1988-06-13 1988-06-13 Pending JPH022903U (US20030204162A1-20031030-M00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7730188U JPH022903U (US20030204162A1-20031030-M00001.png) 1988-06-13 1988-06-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7730188U JPH022903U (US20030204162A1-20031030-M00001.png) 1988-06-13 1988-06-13

Publications (1)

Publication Number Publication Date
JPH022903U true JPH022903U (US20030204162A1-20031030-M00001.png) 1990-01-10

Family

ID=31302295

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7730188U Pending JPH022903U (US20030204162A1-20031030-M00001.png) 1988-06-13 1988-06-13

Country Status (1)

Country Link
JP (1) JPH022903U (US20030204162A1-20031030-M00001.png)

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