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发明名称
Load elevating linkage
摘要
申请公布号
US2992748(A)
申请公布日期
1961.07.18
申请号
US19580709574
申请日期
1958.01.17
申请人
BERG HAROLD I
发明人
BERG HAROLD I.
分类号
E02F3/342
主分类号
E02F3/342
代理机构
代理人
主权项
地址
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