JPS59173749U - マンホ−ル蓋の浮き上がり防止装置 - Google Patents

マンホ−ル蓋の浮き上がり防止装置

Info

Publication number
JPS59173749U
JPS59173749U JP6943983U JP6943983U JPS59173749U JP S59173749 U JPS59173749 U JP S59173749U JP 6943983 U JP6943983 U JP 6943983U JP 6943983 U JP6943983 U JP 6943983U JP S59173749 U JPS59173749 U JP S59173749U
Authority
JP
Japan
Prior art keywords
fitting
hook
manhole cover
differential
rod
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
JP6943983U
Other languages
English (en)
Japanese (ja)
Other versions
JPS624592Y2 (cs
Inventor
河原　弥寿彦
幸治 小林
谷口　征一
富田　光彦
山田　献
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kurodite Industry Co Ltd
Original Assignee
Kurodite Industry Co Ltd
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 by Kurodite Industry Co Ltd filed Critical Kurodite Industry Co Ltd
Priority to JP6943983U priority Critical patent/JPS59173749U/ja
Publication of JPS59173749U publication Critical patent/JPS59173749U/ja
Application granted granted Critical
Publication of JPS624592Y2 publication Critical patent/JPS624592Y2/ja
Granted legal-status Critical Current

Links

JP6943983U 1983-05-09 1983-05-09 マンホ−ル蓋の浮き上がり防止装置 Granted JPS59173749U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6943983U JPS59173749U (ja) 1983-05-09 1983-05-09 マンホ−ル蓋の浮き上がり防止装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6943983U JPS59173749U (ja) 1983-05-09 1983-05-09 マンホ−ル蓋の浮き上がり防止装置

Publications (2)

Publication Number Publication Date
JPS59173749U true JPS59173749U (ja) 1984-11-20
JPS624592Y2 JPS624592Y2 (cs) 1987-02-02

Family

ID=30199594

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6943983U Granted JPS59173749U (ja) 1983-05-09 1983-05-09 マンホ−ル蓋の浮き上がり防止装置

Country Status (1)

Country Link
JP (1) JPS59173749U (cs)

Also Published As

Publication number Publication date
JPS624592Y2 (cs) 1987-02-02

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