JPH02109939U - - Google Patents

Info

Publication number
JPH02109939U
JPH02109939U JP1707889U JP1707889U JPH02109939U JP H02109939 U JPH02109939 U JP H02109939U JP 1707889 U JP1707889 U JP 1707889U JP 1707889 U JP1707889 U JP 1707889U JP H02109939 U JPH02109939 U JP H02109939U
Authority
JP
Japan
Prior art keywords
room
door
dust
closes
opens
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.)
Pending
Application number
JP1707889U
Other languages
English (en)
Japanese (ja)
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 JP1707889U priority Critical patent/JPH02109939U/ja
Publication of JPH02109939U publication Critical patent/JPH02109939U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP1707889U 1989-02-16 1989-02-16 Pending JPH02109939U (US06534493-20030318-C00166.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1707889U JPH02109939U (US06534493-20030318-C00166.png) 1989-02-16 1989-02-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1707889U JPH02109939U (US06534493-20030318-C00166.png) 1989-02-16 1989-02-16

Publications (1)

Publication Number Publication Date
JPH02109939U true JPH02109939U (US06534493-20030318-C00166.png) 1990-09-03

Family

ID=31230559

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1707889U Pending JPH02109939U (US06534493-20030318-C00166.png) 1989-02-16 1989-02-16

Country Status (1)

Country Link
JP (1) JPH02109939U (US06534493-20030318-C00166.png)

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