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AU283474B2 - Improvements in extension ladders - Google Patents
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AU283474B2 - Improvements in extension ladders - Google Patents

Improvements in extension ladders

Info

Publication number
AU283474B2
AU283474B2 AU43411/64A AU4341164A AU283474B2 AU 283474 B2 AU283474 B2 AU 283474B2 AU 43411/64 A AU43411/64 A AU 43411/64A AU 4341164 A AU4341164 A AU 4341164A AU 283474 B2 AU283474 B2 AU 283474B2
Authority
AU
Australia
Prior art keywords
extension ladders
ladders
extension
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
Application number
AU43411/64A
Other versions
AU4341164A (en
Inventor
Thomas Allen Jack
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.)
Individual
Original Assignee
Individual
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of AU283474B2 publication Critical patent/AU283474B2/en
Publication of AU4341164A publication Critical patent/AU4341164A/en
Expired legal-status Critical Current

Links

AU43411/64A 1964-04-17 Improvements in extension ladders Expired AU283474B2 (en)

Publications (2)

Publication Number Publication Date
AU283474B2 true AU283474B2 (en) 1965-10-21
AU4341164A AU4341164A (en) 1965-10-21

Family

ID=

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