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发明名称
Aerial work apparatus
摘要
An improved mast assembly for an aerial work apparatus having improved stability and safety. A telescoping vertical main mast is connected to a telescoping vertical auxiliary mast.
申请公布号
US5307898(A)
申请公布日期
1994.05.03
申请号
US19930028941
申请日期
1993.03.08
申请人
PURDY, PAUL J.;PURDY, MATTHEW S.
发明人
PURDY, PAUL J.;PURDY, MATTHEW S.
分类号
B66F11/04;(IPC1-7):B66F11/04
主分类号
B66F11/04
代理机构
代理人
主权项
地址
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