JPH0722991Y2 - マンホールキー - Google Patents

マンホールキー

Info

Publication number
JPH0722991Y2
JPH0722991Y2 JP7541289U JP7541289U JPH0722991Y2 JP H0722991 Y2 JPH0722991 Y2 JP H0722991Y2 JP 7541289 U JP7541289 U JP 7541289U JP 7541289 U JP7541289 U JP 7541289U JP H0722991 Y2 JPH0722991 Y2 JP H0722991Y2
Authority
JP
Japan
Prior art keywords
manhole
key
plate
base
pipe
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 - Lifetime
Application number
JP7541289U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0314923U (enExample
Inventor
敏郎 池本
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP7541289U priority Critical patent/JPH0722991Y2/ja
Publication of JPH0314923U publication Critical patent/JPH0314923U/ja
Application granted granted Critical
Publication of JPH0722991Y2 publication Critical patent/JPH0722991Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Laying Of Electric Cables Or Lines Outside (AREA)
JP7541289U 1989-06-26 1989-06-26 マンホールキー Expired - Lifetime JPH0722991Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7541289U JPH0722991Y2 (ja) 1989-06-26 1989-06-26 マンホールキー

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7541289U JPH0722991Y2 (ja) 1989-06-26 1989-06-26 マンホールキー

Publications (2)

Publication Number Publication Date
JPH0314923U JPH0314923U (enExample) 1991-02-14
JPH0722991Y2 true JPH0722991Y2 (ja) 1995-05-24

Family

ID=31615967

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7541289U Expired - Lifetime JPH0722991Y2 (ja) 1989-06-26 1989-06-26 マンホールキー

Country Status (1)

Country Link
JP (1) JPH0722991Y2 (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7801507B1 (ja) * 2025-01-23 2026-01-16 東芝プラントシステム株式会社 ホール蓋開閉治具及びホール蓋開閉方法

Also Published As

Publication number Publication date
JPH0314923U (enExample) 1991-02-14

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term