JPH072705Y2 - マンホール用保護蓋 - Google Patents

マンホール用保護蓋

Info

Publication number
JPH072705Y2
JPH072705Y2 JP1988069031U JP6903188U JPH072705Y2 JP H072705 Y2 JPH072705 Y2 JP H072705Y2 JP 1988069031 U JP1988069031 U JP 1988069031U JP 6903188 U JP6903188 U JP 6903188U JP H072705 Y2 JPH072705 Y2 JP H072705Y2
Authority
JP
Japan
Prior art keywords
manhole
net
frame
seat frame
protective
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
JP1988069031U
Other languages
English (en)
Japanese (ja)
Other versions
JPH01174443U (enrdf_load_html_response
Inventor
孝次郎 春日
政 小島
Original Assignee
旭テック株式会社
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 旭テック株式会社 filed Critical 旭テック株式会社
Priority to JP1988069031U priority Critical patent/JPH072705Y2/ja
Publication of JPH01174443U publication Critical patent/JPH01174443U/ja
Application granted granted Critical
Publication of JPH072705Y2 publication Critical patent/JPH072705Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP1988069031U 1988-05-25 1988-05-25 マンホール用保護蓋 Expired - Lifetime JPH072705Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988069031U JPH072705Y2 (ja) 1988-05-25 1988-05-25 マンホール用保護蓋

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988069031U JPH072705Y2 (ja) 1988-05-25 1988-05-25 マンホール用保護蓋

Publications (2)

Publication Number Publication Date
JPH01174443U JPH01174443U (enrdf_load_html_response) 1989-12-12
JPH072705Y2 true JPH072705Y2 (ja) 1995-01-25

Family

ID=31294326

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988069031U Expired - Lifetime JPH072705Y2 (ja) 1988-05-25 1988-05-25 マンホール用保護蓋

Country Status (1)

Country Link
JP (1) JPH072705Y2 (enrdf_load_html_response)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0513795Y2 (enrdf_load_html_response) * 1986-01-17 1993-04-13

Also Published As

Publication number Publication date
JPH01174443U (enrdf_load_html_response) 1989-12-12

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