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经营范围
发明名称
Jack structure supported by spring mounted wheels
摘要
申请公布号
US2891764(A)
申请公布日期
1959.06.23
申请号
US19560597630
申请日期
1956.07.13
申请人
PEARNE FRANK S
发明人
PEARNE FRANK S.
分类号
B64F5/00;B66F3/24
主分类号
B64F5/00
代理机构
代理人
主权项
地址
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