JPH0317170Y2 - - Google Patents

Info

Publication number
JPH0317170Y2
JPH0317170Y2 JP3175085U JP3175085U JPH0317170Y2 JP H0317170 Y2 JPH0317170 Y2 JP H0317170Y2 JP 3175085 U JP3175085 U JP 3175085U JP 3175085 U JP3175085 U JP 3175085U JP H0317170 Y2 JPH0317170 Y2 JP H0317170Y2
Authority
JP
Japan
Prior art keywords
opening
closing
exhaust
closing door
damper
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
JP3175085U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61149042U (en:Method
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 JP3175085U priority Critical patent/JPH0317170Y2/ja
Priority to US06/835,227 priority patent/US4790237A/en
Publication of JPS61149042U publication Critical patent/JPS61149042U/ja
Application granted granted Critical
Publication of JPH0317170Y2 publication Critical patent/JPH0317170Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
  • Air-Flow Control Members (AREA)
JP3175085U 1985-03-05 1985-03-05 Expired JPH0317170Y2 (en:Method)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP3175085U JPH0317170Y2 (en:Method) 1985-03-05 1985-03-05
US06/835,227 US4790237A (en) 1985-03-05 1986-03-03 Damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3175085U JPH0317170Y2 (en:Method) 1985-03-05 1985-03-05

Publications (2)

Publication Number Publication Date
JPS61149042U JPS61149042U (en:Method) 1986-09-13
JPH0317170Y2 true JPH0317170Y2 (en:Method) 1991-04-11

Family

ID=30532635

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3175085U Expired JPH0317170Y2 (en:Method) 1985-03-05 1985-03-05

Country Status (1)

Country Link
JP (1) JPH0317170Y2 (en:Method)

Also Published As

Publication number Publication date
JPS61149042U (en:Method) 1986-09-13

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