JPS6345633Y2 - - Google Patents

Info

Publication number
JPS6345633Y2
JPS6345633Y2 JP1981025157U JP2515781U JPS6345633Y2 JP S6345633 Y2 JPS6345633 Y2 JP S6345633Y2 JP 1981025157 U JP1981025157 U JP 1981025157U JP 2515781 U JP2515781 U JP 2515781U JP S6345633 Y2 JPS6345633 Y2 JP S6345633Y2
Authority
JP
Japan
Prior art keywords
ventilation duct
open end
wall
opening
ventilation
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
JP1981025157U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57139137U (en]
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 JP1981025157U priority Critical patent/JPS6345633Y2/ja
Publication of JPS57139137U publication Critical patent/JPS57139137U/ja
Application granted granted Critical
Publication of JPS6345633Y2 publication Critical patent/JPS6345633Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP1981025157U 1981-02-23 1981-02-23 Expired JPS6345633Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1981025157U JPS6345633Y2 (en]) 1981-02-23 1981-02-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1981025157U JPS6345633Y2 (en]) 1981-02-23 1981-02-23

Publications (2)

Publication Number Publication Date
JPS57139137U JPS57139137U (en]) 1982-08-31
JPS6345633Y2 true JPS6345633Y2 (en]) 1988-11-28

Family

ID=29822864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1981025157U Expired JPS6345633Y2 (en]) 1981-02-23 1981-02-23

Country Status (1)

Country Link
JP (1) JPS6345633Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS583623Y2 (ja) * 1974-07-01 1983-01-21 日本電信電話株式会社 ロ−ラカツタ

Also Published As

Publication number Publication date
JPS57139137U (en]) 1982-08-31

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