JPH0287808U - - Google Patents

Info

Publication number
JPH0287808U
JPH0287808U JP16742588U JP16742588U JPH0287808U JP H0287808 U JPH0287808 U JP H0287808U JP 16742588 U JP16742588 U JP 16742588U JP 16742588 U JP16742588 U JP 16742588U JP H0287808 U JPH0287808 U JP H0287808U
Authority
JP
Japan
Prior art keywords
vent
fire damper
vent hole
box body
silencer
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
JP16742588U
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 JP16742588U priority Critical patent/JPH0287808U/ja
Publication of JPH0287808U publication Critical patent/JPH0287808U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP16742588U 1988-12-23 1988-12-23 Pending JPH0287808U (US20030199744A1-20031023-C00003.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16742588U JPH0287808U (US20030199744A1-20031023-C00003.png) 1988-12-23 1988-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16742588U JPH0287808U (US20030199744A1-20031023-C00003.png) 1988-12-23 1988-12-23

Publications (1)

Publication Number Publication Date
JPH0287808U true JPH0287808U (US20030199744A1-20031023-C00003.png) 1990-07-11

Family

ID=31455709

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16742588U Pending JPH0287808U (US20030199744A1-20031023-C00003.png) 1988-12-23 1988-12-23

Country Status (1)

Country Link
JP (1) JPH0287808U (US20030199744A1-20031023-C00003.png)

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