JPS63178732U - - Google Patents

Info

Publication number
JPS63178732U
JPS63178732U JP6906687U JP6906687U JPS63178732U JP S63178732 U JPS63178732 U JP S63178732U JP 6906687 U JP6906687 U JP 6906687U JP 6906687 U JP6906687 U JP 6906687U JP S63178732 U JPS63178732 U JP S63178732U
Authority
JP
Japan
Prior art keywords
ventilation
cover
ventilation hole
core material
chamber
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
JP6906687U
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 JP6906687U priority Critical patent/JPS63178732U/ja
Publication of JPS63178732U publication Critical patent/JPS63178732U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
JP6906687U 1987-05-09 1987-05-09 Pending JPS63178732U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6906687U JPS63178732U (enrdf_load_stackoverflow) 1987-05-09 1987-05-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6906687U JPS63178732U (enrdf_load_stackoverflow) 1987-05-09 1987-05-09

Publications (1)

Publication Number Publication Date
JPS63178732U true JPS63178732U (enrdf_load_stackoverflow) 1988-11-18

Family

ID=30909447

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6906687U Pending JPS63178732U (enrdf_load_stackoverflow) 1987-05-09 1987-05-09

Country Status (1)

Country Link
JP (1) JPS63178732U (enrdf_load_stackoverflow)

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