JPH0647971Y2 - マンホール用梯子 - Google Patents

マンホール用梯子

Info

Publication number
JPH0647971Y2
JPH0647971Y2 JP13322187U JP13322187U JPH0647971Y2 JP H0647971 Y2 JPH0647971 Y2 JP H0647971Y2 JP 13322187 U JP13322187 U JP 13322187U JP 13322187 U JP13322187 U JP 13322187U JP H0647971 Y2 JPH0647971 Y2 JP H0647971Y2
Authority
JP
Japan
Prior art keywords
column
ladder
slide
support
strut
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
JP13322187U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6442349U (enrdf_load_stackoverflow
Inventor
誠 榎並
謙二 小杉
晃 梅津
健多郎 伊沢
正二郎 柳
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP13322187U priority Critical patent/JPH0647971Y2/ja
Publication of JPS6442349U publication Critical patent/JPS6442349U/ja
Application granted granted Critical
Publication of JPH0647971Y2 publication Critical patent/JPH0647971Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
JP13322187U 1987-09-02 1987-09-02 マンホール用梯子 Expired - Lifetime JPH0647971Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13322187U JPH0647971Y2 (ja) 1987-09-02 1987-09-02 マンホール用梯子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13322187U JPH0647971Y2 (ja) 1987-09-02 1987-09-02 マンホール用梯子

Publications (2)

Publication Number Publication Date
JPS6442349U JPS6442349U (enrdf_load_stackoverflow) 1989-03-14
JPH0647971Y2 true JPH0647971Y2 (ja) 1994-12-07

Family

ID=31390886

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13322187U Expired - Lifetime JPH0647971Y2 (ja) 1987-09-02 1987-09-02 マンホール用梯子

Country Status (1)

Country Link
JP (1) JPH0647971Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3440190B2 (ja) * 1997-03-06 2003-08-25 株式会社新川 ワイヤボンディング方法

Also Published As

Publication number Publication date
JPS6442349U (enrdf_load_stackoverflow) 1989-03-14

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