JPS61130841U - - Google Patents

Info

Publication number
JPS61130841U
JPS61130841U JP1295885U JP1295885U JPS61130841U JP S61130841 U JPS61130841 U JP S61130841U JP 1295885 U JP1295885 U JP 1295885U JP 1295885 U JP1295885 U JP 1295885U JP S61130841 U JPS61130841 U JP S61130841U
Authority
JP
Japan
Prior art keywords
opening
air volume
volume adjustment
ventilation fan
closes
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
JP1295885U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0442664Y2 (US20050192411A1-20050901-C00001.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 JP1985012958U priority Critical patent/JPH0442664Y2/ja
Publication of JPS61130841U publication Critical patent/JPS61130841U/ja
Application granted granted Critical
Publication of JPH0442664Y2 publication Critical patent/JPH0442664Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
JP1985012958U 1985-01-31 1985-01-31 Expired JPH0442664Y2 (US20050192411A1-20050901-C00001.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985012958U JPH0442664Y2 (US20050192411A1-20050901-C00001.png) 1985-01-31 1985-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985012958U JPH0442664Y2 (US20050192411A1-20050901-C00001.png) 1985-01-31 1985-01-31

Publications (2)

Publication Number Publication Date
JPS61130841U true JPS61130841U (US20050192411A1-20050901-C00001.png) 1986-08-15
JPH0442664Y2 JPH0442664Y2 (US20050192411A1-20050901-C00001.png) 1992-10-08

Family

ID=30496518

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985012958U Expired JPH0442664Y2 (US20050192411A1-20050901-C00001.png) 1985-01-31 1985-01-31

Country Status (1)

Country Link
JP (1) JPH0442664Y2 (US20050192411A1-20050901-C00001.png)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228509A (en) * 1975-08-29 1977-03-03 Akio Watanabe Electric furnace with reduction burning apparatus
JPS54170662U (US20050192411A1-20050901-C00001.png) * 1978-05-23 1979-12-03

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5228509A (en) * 1975-08-29 1977-03-03 Akio Watanabe Electric furnace with reduction burning apparatus
JPS54170662U (US20050192411A1-20050901-C00001.png) * 1978-05-23 1979-12-03

Also Published As

Publication number Publication date
JPH0442664Y2 (US20050192411A1-20050901-C00001.png) 1992-10-08

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