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发明名称
Method of elevating a load and lift apparatus therefor
摘要
申请公布号
US3307831(A)
申请公布日期
1967.03.07
申请号
US19650493107
申请日期
1965.10.05
申请人
FRIEDMAN BERNARD H
发明人
FRIEDMAN BERNARD H.
分类号
B66B9/00;B66F11/00;B66F19/00
主分类号
B66B9/00
代理机构
代理人
主权项
地址
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