JPS5399649A - Ladder for manhole - Google Patents

Ladder for manhole

Info

Publication number
JPS5399649A
JPS5399649A JP1377177A JP1377177A JPS5399649A JP S5399649 A JPS5399649 A JP S5399649A JP 1377177 A JP1377177 A JP 1377177A JP 1377177 A JP1377177 A JP 1377177A JP S5399649 A JPS5399649 A JP S5399649A
Authority
JP
Japan
Prior art keywords
manhole
ladder
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
JP1377177A
Other languages
Japanese (ja)
Other versions
JPS562567B2 (en
Inventor
Hiroshi Nakai
Katsuyoshi Orito
Michio Makihara
Mitsuo Kureya
Yasuhiko Takemoto
Suketoshi Asakura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kansai Electric Power Co Inc
Fujii Denko Co Ltd
Original Assignee
Kansai Electric Power Co Inc
Fujii Denko Co Ltd
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 Kansai Electric Power Co Inc, Fujii Denko Co Ltd filed Critical Kansai Electric Power Co Inc
Priority to JP1377177A priority Critical patent/JPS5399649A/en
Publication of JPS5399649A publication Critical patent/JPS5399649A/en
Publication of JPS562567B2 publication Critical patent/JPS562567B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Ladders (AREA)
JP1377177A 1977-02-10 1977-02-10 Ladder for manhole Granted JPS5399649A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1377177A JPS5399649A (en) 1977-02-10 1977-02-10 Ladder for manhole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1377177A JPS5399649A (en) 1977-02-10 1977-02-10 Ladder for manhole

Publications (2)

Publication Number Publication Date
JPS5399649A true JPS5399649A (en) 1978-08-31
JPS562567B2 JPS562567B2 (en) 1981-01-20

Family

ID=11842502

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1377177A Granted JPS5399649A (en) 1977-02-10 1977-02-10 Ladder for manhole

Country Status (1)

Country Link
JP (1) JPS5399649A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5044693U (en) * 1973-08-24 1975-05-06
JPS5192338U (en) * 1975-01-20 1976-07-23
JPS5212036U (en) * 1975-07-11 1977-01-27

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5212036B2 (en) * 1972-05-23 1977-04-04

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5044693U (en) * 1973-08-24 1975-05-06
JPS5192338U (en) * 1975-01-20 1976-07-23
JPS5212036U (en) * 1975-07-11 1977-01-27

Also Published As

Publication number Publication date
JPS562567B2 (en) 1981-01-20

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