JPS61184751U - - Google Patents

Info

Publication number
JPS61184751U
JPS61184751U JP6989685U JP6989685U JPS61184751U JP S61184751 U JPS61184751 U JP S61184751U JP 6989685 U JP6989685 U JP 6989685U JP 6989685 U JP6989685 U JP 6989685U JP S61184751 U JPS61184751 U JP S61184751U
Authority
JP
Japan
Prior art keywords
manhole
entrance
view
ladder
exit
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.)
Granted
Application number
JP6989685U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0312820Y2 (enrdf_load_stackoverflow
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 JP6989685U priority Critical patent/JPH0312820Y2/ja
Publication of JPS61184751U publication Critical patent/JPS61184751U/ja
Application granted granted Critical
Publication of JPH0312820Y2 publication Critical patent/JPH0312820Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
JP6989685U 1985-05-11 1985-05-11 Expired JPH0312820Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6989685U JPH0312820Y2 (enrdf_load_stackoverflow) 1985-05-11 1985-05-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6989685U JPH0312820Y2 (enrdf_load_stackoverflow) 1985-05-11 1985-05-11

Publications (2)

Publication Number Publication Date
JPS61184751U true JPS61184751U (enrdf_load_stackoverflow) 1986-11-18
JPH0312820Y2 JPH0312820Y2 (enrdf_load_stackoverflow) 1991-03-26

Family

ID=30606001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6989685U Expired JPH0312820Y2 (enrdf_load_stackoverflow) 1985-05-11 1985-05-11

Country Status (1)

Country Link
JP (1) JPH0312820Y2 (enrdf_load_stackoverflow)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011247078A (ja) * 2010-04-27 2011-12-08 Stec Co Ltd 可動梯子
JP5626938B1 (ja) * 2013-06-25 2014-11-19 株式会社東洋技研 安全梯子
JP2019124055A (ja) * 2018-01-17 2019-07-25 阿南電機株式会社 マンホール用安全柵装置
JP2021031990A (ja) * 2019-08-27 2021-03-01 阿南電機株式会社 マンホール用昇降式安全柵
JP2021139234A (ja) * 2020-03-09 2021-09-16 株式会社ピカコーポレイション 手摺付き昇降梯子

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011247078A (ja) * 2010-04-27 2011-12-08 Stec Co Ltd 可動梯子
JP5626938B1 (ja) * 2013-06-25 2014-11-19 株式会社東洋技研 安全梯子
JP2019124055A (ja) * 2018-01-17 2019-07-25 阿南電機株式会社 マンホール用安全柵装置
JP2021031990A (ja) * 2019-08-27 2021-03-01 阿南電機株式会社 マンホール用昇降式安全柵
JP2021139234A (ja) * 2020-03-09 2021-09-16 株式会社ピカコーポレイション 手摺付き昇降梯子

Also Published As

Publication number Publication date
JPH0312820Y2 (enrdf_load_stackoverflow) 1991-03-26

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