JPS6341652U - - Google Patents

Info

Publication number
JPS6341652U
JPS6341652U JP13336486U JP13336486U JPS6341652U JP S6341652 U JPS6341652 U JP S6341652U JP 13336486 U JP13336486 U JP 13336486U JP 13336486 U JP13336486 U JP 13336486U JP S6341652 U JPS6341652 U JP S6341652U
Authority
JP
Japan
Prior art keywords
vent hole
gas vent
top plate
manhole cover
compressed
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.)
Pending
Application number
JP13336486U
Other languages
English (en)
Japanese (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 JP13336486U priority Critical patent/JPS6341652U/ja
Publication of JPS6341652U publication Critical patent/JPS6341652U/ja
Pending legal-status Critical Current

Links

JP13336486U 1986-08-30 1986-08-30 Pending JPS6341652U (US07754267-20100713-C00017.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13336486U JPS6341652U (US07754267-20100713-C00017.png) 1986-08-30 1986-08-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13336486U JPS6341652U (US07754267-20100713-C00017.png) 1986-08-30 1986-08-30

Publications (1)

Publication Number Publication Date
JPS6341652U true JPS6341652U (US07754267-20100713-C00017.png) 1988-03-18

Family

ID=31033611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13336486U Pending JPS6341652U (US07754267-20100713-C00017.png) 1986-08-30 1986-08-30

Country Status (1)

Country Link
JP (1) JPS6341652U (US07754267-20100713-C00017.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024029010A1 (ja) * 2022-08-03 2024-02-08 日本電信電話株式会社 地下構造物用蓋、ガス排出システム、及びガス排出システム構築方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6150142B2 (US07754267-20100713-C00017.png) * 1983-01-06 1986-11-01 Sumitomo Light Metal Ind

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6150142B2 (US07754267-20100713-C00017.png) * 1983-01-06 1986-11-01 Sumitomo Light Metal Ind

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024029010A1 (ja) * 2022-08-03 2024-02-08 日本電信電話株式会社 地下構造物用蓋、ガス排出システム、及びガス排出システム構築方法

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