JPS61162731U - - Google Patents

Info

Publication number
JPS61162731U
JPS61162731U JP4490785U JP4490785U JPS61162731U JP S61162731 U JPS61162731 U JP S61162731U JP 4490785 U JP4490785 U JP 4490785U JP 4490785 U JP4490785 U JP 4490785U JP S61162731 U JPS61162731 U JP S61162731U
Authority
JP
Japan
Prior art keywords
dust
entering
utility
attached
scope
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
JP4490785U
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 JP4490785U priority Critical patent/JPS61162731U/ja
Publication of JPS61162731U publication Critical patent/JPS61162731U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP4490785U 1985-03-29 1985-03-29 Pending JPS61162731U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4490785U JPS61162731U (enrdf_load_stackoverflow) 1985-03-29 1985-03-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4490785U JPS61162731U (enrdf_load_stackoverflow) 1985-03-29 1985-03-29

Publications (1)

Publication Number Publication Date
JPS61162731U true JPS61162731U (enrdf_load_stackoverflow) 1986-10-08

Family

ID=30557915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4490785U Pending JPS61162731U (enrdf_load_stackoverflow) 1985-03-29 1985-03-29

Country Status (1)

Country Link
JP (1) JPS61162731U (enrdf_load_stackoverflow)

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