JPH0440120Y2 - - Google Patents

Info

Publication number
JPH0440120Y2
JPH0440120Y2 JP1984188489U JP18848984U JPH0440120Y2 JP H0440120 Y2 JPH0440120 Y2 JP H0440120Y2 JP 1984188489 U JP1984188489 U JP 1984188489U JP 18848984 U JP18848984 U JP 18848984U JP H0440120 Y2 JPH0440120 Y2 JP H0440120Y2
Authority
JP
Japan
Prior art keywords
exhaust
tread
opening
floor surface
header
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
JP1984188489U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61104130U (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 JP1984188489U priority Critical patent/JPH0440120Y2/ja
Publication of JPS61104130U publication Critical patent/JPS61104130U/ja
Application granted granted Critical
Publication of JPH0440120Y2 publication Critical patent/JPH0440120Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Respiratory Apparatuses And Protective Means (AREA)
  • Ventilation (AREA)
JP1984188489U 1984-12-11 1984-12-11 Expired JPH0440120Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984188489U JPH0440120Y2 (en]) 1984-12-11 1984-12-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984188489U JPH0440120Y2 (en]) 1984-12-11 1984-12-11

Publications (2)

Publication Number Publication Date
JPS61104130U JPS61104130U (en]) 1986-07-02
JPH0440120Y2 true JPH0440120Y2 (en]) 1992-09-21

Family

ID=30745952

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984188489U Expired JPH0440120Y2 (en]) 1984-12-11 1984-12-11

Country Status (1)

Country Link
JP (1) JPH0440120Y2 (en])

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4939255A (en]) * 1972-08-23 1974-04-12

Also Published As

Publication number Publication date
JPS61104130U (en]) 1986-07-02

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