发明名称 Convertible ladder assembly
摘要 A collapsible ladder assembly comprises a plurality of sections (20), each providing two parallel stile parts (21) joined adjacent to one end by a transverse rung and the sections (20) being telescopically retractible each into the next wider section (20) with the rung end leading until the end transverse rungs of the two sections (20) lie one immediately above the other and the stile parts (21) of one section (20) lie between those of the next wider section (20). <IMAGE>
申请公布号 AU8020194(A) 申请公布日期 1995.06.15
申请号 AU19940080201 申请日期 1994.12.02
申请人 FOOK KHEAN WONG 发明人 FOOK KHEAN WONG
分类号 E06C1/12;E06C1/22;E06C1/30;E06C1/32;E06C1/39 主分类号 E06C1/12
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