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发明名称
Hydraulic jack
摘要
申请公布号
US1903887(A)
申请公布日期
1933.04.18
申请号
US19320610685
申请日期
1932.05.11
申请人
WIDENER STERLING J
发明人
WIDENER STERLING J.
分类号
B66F3/24;E21D15/44
主分类号
B66F3/24
代理机构
代理人
主权项
地址
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