JPS6167364U - - Google Patents

Info

Publication number
JPS6167364U
JPS6167364U JP15166084U JP15166084U JPS6167364U JP S6167364 U JPS6167364 U JP S6167364U JP 15166084 U JP15166084 U JP 15166084U JP 15166084 U JP15166084 U JP 15166084U JP S6167364 U JPS6167364 U JP S6167364U
Authority
JP
Japan
Prior art keywords
ventilation layer
main body
nuclear
silter
sand
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
JP15166084U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0312924Y2 (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 JP1984151660U priority Critical patent/JPH0312924Y2/ja
Publication of JPS6167364U publication Critical patent/JPS6167364U/ja
Application granted granted Critical
Publication of JPH0312924Y2 publication Critical patent/JPH0312924Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ventilation (AREA)
  • Tents Or Canopies (AREA)
JP1984151660U 1984-10-06 1984-10-06 Expired JPH0312924Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984151660U JPH0312924Y2 (en]) 1984-10-06 1984-10-06

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984151660U JPH0312924Y2 (en]) 1984-10-06 1984-10-06

Publications (2)

Publication Number Publication Date
JPS6167364U true JPS6167364U (en]) 1986-05-08
JPH0312924Y2 JPH0312924Y2 (en]) 1991-03-26

Family

ID=30709763

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984151660U Expired JPH0312924Y2 (en]) 1984-10-06 1984-10-06

Country Status (1)

Country Link
JP (1) JPH0312924Y2 (en])

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174566A (en) * 1981-04-20 1982-10-27 Uemura Koichi Guard chamber

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174566A (en) * 1981-04-20 1982-10-27 Uemura Koichi Guard chamber

Also Published As

Publication number Publication date
JPH0312924Y2 (en]) 1991-03-26

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