JPS61178140U - - Google Patents

Info

Publication number
JPS61178140U
JPS61178140U JP6194085U JP6194085U JPS61178140U JP S61178140 U JPS61178140 U JP S61178140U JP 6194085 U JP6194085 U JP 6194085U JP 6194085 U JP6194085 U JP 6194085U JP S61178140 U JPS61178140 U JP S61178140U
Authority
JP
Japan
Prior art keywords
ventilation
ventilation hole
check valve
valve body
flow
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.)
Granted
Application number
JP6194085U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0221717Y2 (US07696358-20100413-C00002.png
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 JP1985061940U priority Critical patent/JPH0221717Y2/ja
Publication of JPS61178140U publication Critical patent/JPS61178140U/ja
Application granted granted Critical
Publication of JPH0221717Y2 publication Critical patent/JPH0221717Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
  • Building Environments (AREA)
JP1985061940U 1985-04-24 1985-04-24 Expired JPH0221717Y2 (US07696358-20100413-C00002.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985061940U JPH0221717Y2 (US07696358-20100413-C00002.png) 1985-04-24 1985-04-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985061940U JPH0221717Y2 (US07696358-20100413-C00002.png) 1985-04-24 1985-04-24

Publications (2)

Publication Number Publication Date
JPS61178140U true JPS61178140U (US07696358-20100413-C00002.png) 1986-11-06
JPH0221717Y2 JPH0221717Y2 (US07696358-20100413-C00002.png) 1990-06-12

Family

ID=30590682

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985061940U Expired JPH0221717Y2 (US07696358-20100413-C00002.png) 1985-04-24 1985-04-24

Country Status (1)

Country Link
JP (1) JPH0221717Y2 (US07696358-20100413-C00002.png)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175509U (ja) * 1983-05-13 1984-11-24 大下 一義 開閉装置付き床下換気口

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59175509U (ja) * 1983-05-13 1984-11-24 大下 一義 開閉装置付き床下換気口

Also Published As

Publication number Publication date
JPH0221717Y2 (US07696358-20100413-C00002.png) 1990-06-12

Similar Documents

Publication Publication Date Title
JPS61178140U (US07696358-20100413-C00002.png)
JPS61149034U (US07696358-20100413-C00002.png)
JPS62152145U (US07696358-20100413-C00002.png)
JPH01122184U (US07696358-20100413-C00002.png)
JPS6160027U (US07696358-20100413-C00002.png)
JPS62171843U (US07696358-20100413-C00002.png)
JPS6272530U (US07696358-20100413-C00002.png)
JPH0244609U (US07696358-20100413-C00002.png)
JPH0264843U (US07696358-20100413-C00002.png)
JPS6316243U (US07696358-20100413-C00002.png)
JPS6160026U (US07696358-20100413-C00002.png)
JPS61164937U (US07696358-20100413-C00002.png)
JPH02103816U (US07696358-20100413-C00002.png)
JPH0418256U (US07696358-20100413-C00002.png)
JPS61174463U (US07696358-20100413-C00002.png)
JPH0188129U (US07696358-20100413-C00002.png)
JPS61127333U (US07696358-20100413-C00002.png)
JPS6282651U (US07696358-20100413-C00002.png)
JPS61127339U (US07696358-20100413-C00002.png)
JPS6250439U (US07696358-20100413-C00002.png)
JPS62150158U (US07696358-20100413-C00002.png)
JPS61142649U (US07696358-20100413-C00002.png)
JPH0390707U (US07696358-20100413-C00002.png)
JPH0347320U (US07696358-20100413-C00002.png)
JPS62195020U (US07696358-20100413-C00002.png)