JPH0497943U - - Google Patents

Info

Publication number
JPH0497943U
JPH0497943U JP38291U JP38291U JPH0497943U JP H0497943 U JPH0497943 U JP H0497943U JP 38291 U JP38291 U JP 38291U JP 38291 U JP38291 U JP 38291U JP H0497943 U JPH0497943 U JP H0497943U
Authority
JP
Japan
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
JP38291U
Other languages
Japanese (ja)
Other versions
JP2540963Y2 (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 JP1991000382U priority Critical patent/JP2540963Y2/ja
Publication of JPH0497943U publication Critical patent/JPH0497943U/ja
Application granted granted Critical
Publication of JP2540963Y2 publication Critical patent/JP2540963Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1991000382U 1991-01-10 1991-01-10 マンホール用放圧型鉄蓋 Expired - Lifetime JP2540963Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1991000382U JP2540963Y2 (ja) 1991-01-10 1991-01-10 マンホール用放圧型鉄蓋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1991000382U JP2540963Y2 (ja) 1991-01-10 1991-01-10 マンホール用放圧型鉄蓋

Publications (2)

Publication Number Publication Date
JPH0497943U true JPH0497943U (enExample) 1992-08-25
JP2540963Y2 JP2540963Y2 (ja) 1997-07-09

Family

ID=11472253

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1991000382U Expired - Lifetime JP2540963Y2 (ja) 1991-01-10 1991-01-10 マンホール用放圧型鉄蓋

Country Status (1)

Country Link
JP (1) JP2540963Y2 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0671541U (ja) * 1991-05-17 1994-10-07 東京電力株式会社 ハンドホール等における蓋体の耐爆ロック機構
JP2002106051A (ja) * 2000-09-27 2002-04-10 Maezawa Kasei Ind Co Ltd 既設マンホールの補修方法および補修桝
CN115680029A (zh) * 2021-07-30 2023-02-03 江苏华彤电气股份有限公司 一种智能泄压抑爆防井盖飞起的安全井盖

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571756U (enExample) * 1978-11-13 1980-05-17

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571756U (enExample) * 1978-11-13 1980-05-17

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0671541U (ja) * 1991-05-17 1994-10-07 東京電力株式会社 ハンドホール等における蓋体の耐爆ロック機構
JP2002106051A (ja) * 2000-09-27 2002-04-10 Maezawa Kasei Ind Co Ltd 既設マンホールの補修方法および補修桝
CN115680029A (zh) * 2021-07-30 2023-02-03 江苏华彤电气股份有限公司 一种智能泄压抑爆防井盖飞起的安全井盖

Also Published As

Publication number Publication date
JP2540963Y2 (ja) 1997-07-09

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Legal Events

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EXPY Cancellation because of completion of term