JPS621642Y2 - - Google Patents

Info

Publication number
JPS621642Y2
JPS621642Y2 JP1981029191U JP2919181U JPS621642Y2 JP S621642 Y2 JPS621642 Y2 JP S621642Y2 JP 1981029191 U JP1981029191 U JP 1981029191U JP 2919181 U JP2919181 U JP 2919181U JP S621642 Y2 JPS621642 Y2 JP S621642Y2
Authority
JP
Japan
Prior art keywords
cylindrical body
ventilation
wall
central axis
close contact
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.)
Expired
Application number
JP1981029191U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57140621U (pm
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 JP1981029191U priority Critical patent/JPS621642Y2/ja
Publication of JPS57140621U publication Critical patent/JPS57140621U/ja
Application granted granted Critical
Publication of JPS621642Y2 publication Critical patent/JPS621642Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Building Environments (AREA)
  • Ventilation (AREA)
  • Air-Flow Control Members (AREA)
JP1981029191U 1981-02-28 1981-02-28 Expired JPS621642Y2 (pm)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981029191U JPS621642Y2 (pm) 1981-02-28 1981-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981029191U JPS621642Y2 (pm) 1981-02-28 1981-02-28

Publications (2)

Publication Number Publication Date
JPS57140621U JPS57140621U (pm) 1982-09-03
JPS621642Y2 true JPS621642Y2 (pm) 1987-01-14

Family

ID=29826796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981029191U Expired JPS621642Y2 (pm) 1981-02-28 1981-02-28

Country Status (1)

Country Link
JP (1) JPS621642Y2 (pm)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003027616A (ja) * 2001-07-18 2003-01-29 Kanegafuchi Chem Ind Co Ltd 外断熱建物

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100311730B1 (ko) * 1999-09-01 2001-11-03 손재익 환기장치
KR100763418B1 (ko) 2006-05-09 2007-10-11 주식회사 브라운테크 환기장치

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5752578Y2 (pm) * 1978-06-30 1982-11-15

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003027616A (ja) * 2001-07-18 2003-01-29 Kanegafuchi Chem Ind Co Ltd 外断熱建物

Also Published As

Publication number Publication date
JPS57140621U (pm) 1982-09-03

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