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发明名称
Lifting apparatus
摘要
A lifting apparatus having at least one lifting hook pivotally attached to a support frame. The support frame is pivotally attached to a lifting bar which in turn is movably connected to a hoist means.
申请公布号
US4355833(A)
申请公布日期
1982.10.26
申请号
US19800162148
申请日期
1980.06.23
申请人
DUNBAR, GLENN G.
发明人
DUNBAR, GLENN G.
分类号
B66C1/22;(IPC1-7):B66C1/10
主分类号
B66C1/22
代理机构
代理人
主权项
地址
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