JPS633992Y2 - - Google Patents

Info

Publication number
JPS633992Y2
JPS633992Y2 JP1983059772U JP5977283U JPS633992Y2 JP S633992 Y2 JPS633992 Y2 JP S633992Y2 JP 1983059772 U JP1983059772 U JP 1983059772U JP 5977283 U JP5977283 U JP 5977283U JP S633992 Y2 JPS633992 Y2 JP S633992Y2
Authority
JP
Japan
Prior art keywords
manhole
tank
manhole cover
stopper member
reaction force
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
JP1983059772U
Other languages
English (en)
Japanese (ja)
Other versions
JPS59165387U (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 JP5977283U priority Critical patent/JPS59165387U/ja
Publication of JPS59165387U publication Critical patent/JPS59165387U/ja
Application granted granted Critical
Publication of JPS633992Y2 publication Critical patent/JPS633992Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Pressure Vessels And Lids Thereof (AREA)
JP5977283U 1983-04-21 1983-04-21 タンクのマンホ−ル開閉装置 Granted JPS59165387U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5977283U JPS59165387U (ja) 1983-04-21 1983-04-21 タンクのマンホ−ル開閉装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5977283U JPS59165387U (ja) 1983-04-21 1983-04-21 タンクのマンホ−ル開閉装置

Publications (2)

Publication Number Publication Date
JPS59165387U JPS59165387U (ja) 1984-11-06
JPS633992Y2 true JPS633992Y2 (enExample) 1988-02-01

Family

ID=30190020

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5977283U Granted JPS59165387U (ja) 1983-04-21 1983-04-21 タンクのマンホ−ル開閉装置

Country Status (1)

Country Link
JP (1) JPS59165387U (enExample)

Also Published As

Publication number Publication date
JPS59165387U (ja) 1984-11-06

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