JPS63173500U - - Google Patents

Info

Publication number
JPS63173500U
JPS63173500U JP6717087U JP6717087U JPS63173500U JP S63173500 U JPS63173500 U JP S63173500U JP 6717087 U JP6717087 U JP 6717087U JP 6717087 U JP6717087 U JP 6717087U JP S63173500 U JPS63173500 U JP S63173500U
Authority
JP
Japan
Prior art keywords
ladder
spring member
spring
ceiling opening
connecting portion
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
JP6717087U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0528318Y2 (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 JP6717087U priority Critical patent/JPH0528318Y2/ja
Publication of JPS63173500U publication Critical patent/JPS63173500U/ja
Application granted granted Critical
Publication of JPH0528318Y2 publication Critical patent/JPH0528318Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Ladders (AREA)
JP6717087U 1987-05-01 1987-05-01 Expired - Lifetime JPH0528318Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6717087U JPH0528318Y2 (enrdf_load_stackoverflow) 1987-05-01 1987-05-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6717087U JPH0528318Y2 (enrdf_load_stackoverflow) 1987-05-01 1987-05-01

Publications (2)

Publication Number Publication Date
JPS63173500U true JPS63173500U (enrdf_load_stackoverflow) 1988-11-10
JPH0528318Y2 JPH0528318Y2 (enrdf_load_stackoverflow) 1993-07-20

Family

ID=30905833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6717087U Expired - Lifetime JPH0528318Y2 (enrdf_load_stackoverflow) 1987-05-01 1987-05-01

Country Status (1)

Country Link
JP (1) JPH0528318Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0528318Y2 (enrdf_load_stackoverflow) 1993-07-20

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