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发明名称
Lifting jack
摘要
申请公布号
US2784939(A)
申请公布日期
1957.03.12
申请号
US19530391283
申请日期
1953.11.10
申请人
PALKA JOSEPH F
发明人
PALKA JOSEPH F.
分类号
B66F3/08
主分类号
B66F3/08
代理机构
代理人
主权项
地址
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