JP2516648Y2 - マンホール蓋 - Google Patents

マンホール蓋

Info

Publication number
JP2516648Y2
JP2516648Y2 JP11491190U JP11491190U JP2516648Y2 JP 2516648 Y2 JP2516648 Y2 JP 2516648Y2 JP 11491190 U JP11491190 U JP 11491190U JP 11491190 U JP11491190 U JP 11491190U JP 2516648 Y2 JP2516648 Y2 JP 2516648Y2
Authority
JP
Japan
Prior art keywords
manhole
plug
gas
cylindrical body
manhole 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.)
Expired - Lifetime
Application number
JP11491190U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0473047U (en:Method
Inventor
省三 永井
龍二 池田
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.)
Tokyo Electric Power Co Holdings Inc
Original Assignee
Tokyo Electric Power Co Inc
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 Tokyo Electric Power Co Inc filed Critical Tokyo Electric Power Co Inc
Priority to JP11491190U priority Critical patent/JP2516648Y2/ja
Publication of JPH0473047U publication Critical patent/JPH0473047U/ja
Application granted granted Critical
Publication of JP2516648Y2 publication Critical patent/JP2516648Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP11491190U 1990-10-31 1990-10-31 マンホール蓋 Expired - Lifetime JP2516648Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11491190U JP2516648Y2 (ja) 1990-10-31 1990-10-31 マンホール蓋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11491190U JP2516648Y2 (ja) 1990-10-31 1990-10-31 マンホール蓋

Publications (2)

Publication Number Publication Date
JPH0473047U JPH0473047U (en:Method) 1992-06-26
JP2516648Y2 true JP2516648Y2 (ja) 1996-11-06

Family

ID=31862636

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11491190U Expired - Lifetime JP2516648Y2 (ja) 1990-10-31 1990-10-31 マンホール蓋

Country Status (1)

Country Link
JP (1) JP2516648Y2 (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2580725Y2 (ja) * 1993-02-23 1998-09-17 矢崎総業株式会社 指示用計器

Also Published As

Publication number Publication date
JPH0473047U (en:Method) 1992-06-26

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