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经营范围
发明名称
Hydraulic jack
摘要
申请公布号
US2456105(A)
申请公布日期
1948.12.14
申请号
US19460698522
申请日期
1946.09.21
申请人
LOUIS BERG
发明人
BERG LOUIS
分类号
B66F3/42
主分类号
B66F3/42
代理机构
代理人
主权项
地址
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