JPS6448535U - - Google Patents

Info

Publication number
JPS6448535U
JPS6448535U JP14387987U JP14387987U JPS6448535U JP S6448535 U JPS6448535 U JP S6448535U JP 14387987 U JP14387987 U JP 14387987U JP 14387987 U JP14387987 U JP 14387987U JP S6448535 U JPS6448535 U JP S6448535U
Authority
JP
Japan
Prior art keywords
noise reduction
utility
fan
boxes
reduction mechanism
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
JP14387987U
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 JP14387987U priority Critical patent/JPS6448535U/ja
Publication of JPS6448535U publication Critical patent/JPS6448535U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
JP14387987U 1987-09-22 1987-09-22 Pending JPS6448535U (US06272168-20010807-M00014.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14387987U JPS6448535U (US06272168-20010807-M00014.png) 1987-09-22 1987-09-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14387987U JPS6448535U (US06272168-20010807-M00014.png) 1987-09-22 1987-09-22

Publications (1)

Publication Number Publication Date
JPS6448535U true JPS6448535U (US06272168-20010807-M00014.png) 1989-03-24

Family

ID=31411096

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14387987U Pending JPS6448535U (US06272168-20010807-M00014.png) 1987-09-22 1987-09-22

Country Status (1)

Country Link
JP (1) JPS6448535U (US06272168-20010807-M00014.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07281497A (ja) * 1994-04-11 1995-10-27 Ricoh Co Ltd オフィスオートメーション機器の消音装置
JP2010145048A (ja) * 2008-12-19 2010-07-01 Mitsubishi Electric Corp 換気送風機

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07281497A (ja) * 1994-04-11 1995-10-27 Ricoh Co Ltd オフィスオートメーション機器の消音装置
JP2010145048A (ja) * 2008-12-19 2010-07-01 Mitsubishi Electric Corp 換気送風機

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