JPH0169847U - - Google Patents

Info

Publication number
JPH0169847U
JPH0169847U JP1987165901U JP16590187U JPH0169847U JP H0169847 U JPH0169847 U JP H0169847U JP 1987165901 U JP1987165901 U JP 1987165901U JP 16590187 U JP16590187 U JP 16590187U JP H0169847 U JPH0169847 U JP H0169847U
Authority
JP
Japan
Prior art keywords
protrusion
locking part
key
iron
cover
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
JP1987165901U
Other languages
English (en)
Japanese (ja)
Other versions
JPH069074Y2 (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 JP16590187U priority Critical patent/JPH069074Y2/ja
Publication of JPH0169847U publication Critical patent/JPH0169847U/ja
Application granted granted Critical
Publication of JPH069074Y2 publication Critical patent/JPH069074Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP16590187U 1987-10-29 1987-10-29 マンホールカバー開閉用操作穴の閉成ロック装置 Expired - Lifetime JPH069074Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16590187U JPH069074Y2 (ja) 1987-10-29 1987-10-29 マンホールカバー開閉用操作穴の閉成ロック装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16590187U JPH069074Y2 (ja) 1987-10-29 1987-10-29 マンホールカバー開閉用操作穴の閉成ロック装置

Publications (2)

Publication Number Publication Date
JPH0169847U true JPH0169847U (US06521211-20030218-C00004.png) 1989-05-09
JPH069074Y2 JPH069074Y2 (ja) 1994-03-09

Family

ID=31452806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16590187U Expired - Lifetime JPH069074Y2 (ja) 1987-10-29 1987-10-29 マンホールカバー開閉用操作穴の閉成ロック装置

Country Status (1)

Country Link
JP (1) JPH069074Y2 (US06521211-20030218-C00004.png)

Also Published As

Publication number Publication date
JPH069074Y2 (ja) 1994-03-09

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