JPH02114848U - - Google Patents

Info

Publication number
JPH02114848U
JPH02114848U JP2238189U JP2238189U JPH02114848U JP H02114848 U JPH02114848 U JP H02114848U JP 2238189 U JP2238189 U JP 2238189U JP 2238189 U JP2238189 U JP 2238189U JP H02114848 U JPH02114848 U JP H02114848U
Authority
JP
Japan
Prior art keywords
ventilation
opening
wall
closing device
cylinder
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
JP2238189U
Other languages
English (en)
Japanese (ja)
Other versions
JPH045940Y2 (enrdf_load_stackoverflow
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 JP2238189U priority Critical patent/JPH045940Y2/ja
Publication of JPH02114848U publication Critical patent/JPH02114848U/ja
Application granted granted Critical
Publication of JPH045940Y2 publication Critical patent/JPH045940Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
  • Building Environments (AREA)
JP2238189U 1989-02-28 1989-02-28 Expired JPH045940Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2238189U JPH045940Y2 (enrdf_load_stackoverflow) 1989-02-28 1989-02-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2238189U JPH045940Y2 (enrdf_load_stackoverflow) 1989-02-28 1989-02-28

Publications (2)

Publication Number Publication Date
JPH02114848U true JPH02114848U (enrdf_load_stackoverflow) 1990-09-13
JPH045940Y2 JPH045940Y2 (enrdf_load_stackoverflow) 1992-02-19

Family

ID=31240450

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2238189U Expired JPH045940Y2 (enrdf_load_stackoverflow) 1989-02-28 1989-02-28

Country Status (1)

Country Link
JP (1) JPH045940Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH045940Y2 (enrdf_load_stackoverflow) 1992-02-19

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