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发明名称
MOBILE SWIVEL LADDER
摘要
申请公布号
US3625307(A)
申请公布日期
1971.12.07
申请号
USD3625307
申请日期
1969.03.10
申请人
WILLI SIEFERMANN
发明人
WILLI SIEFERMANN
分类号
B66F11/04;E06C5/04;(IPC1-7):E06C5/06
主分类号
B66F11/04
代理机构
代理人
主权项
地址
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