JPH0522637Y2 - - Google Patents

Info

Publication number
JPH0522637Y2
JPH0522637Y2 JP17258987U JP17258987U JPH0522637Y2 JP H0522637 Y2 JPH0522637 Y2 JP H0522637Y2 JP 17258987 U JP17258987 U JP 17258987U JP 17258987 U JP17258987 U JP 17258987U JP H0522637 Y2 JPH0522637 Y2 JP H0522637Y2
Authority
JP
Japan
Prior art keywords
manhole
ladder
main body
receiving frame
fixture
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
JP17258987U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0177000U (en]
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 JP17258987U priority Critical patent/JPH0522637Y2/ja
Publication of JPH0177000U publication Critical patent/JPH0177000U/ja
Application granted granted Critical
Publication of JPH0522637Y2 publication Critical patent/JPH0522637Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
JP17258987U 1987-11-11 1987-11-11 Expired - Lifetime JPH0522637Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17258987U JPH0522637Y2 (en]) 1987-11-11 1987-11-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17258987U JPH0522637Y2 (en]) 1987-11-11 1987-11-11

Publications (2)

Publication Number Publication Date
JPH0177000U JPH0177000U (en]) 1989-05-24
JPH0522637Y2 true JPH0522637Y2 (en]) 1993-06-10

Family

ID=31464554

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17258987U Expired - Lifetime JPH0522637Y2 (en]) 1987-11-11 1987-11-11

Country Status (1)

Country Link
JP (1) JPH0522637Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6975455B2 (ja) * 2018-01-17 2021-12-01 阿南電機株式会社 マンホール用安全柵装置

Also Published As

Publication number Publication date
JPH0177000U (en]) 1989-05-24

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