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发明名称
Externally engaging lifting jack frame
摘要
申请公布号
US3230895(A)
申请公布日期
1966.01.25
申请号
US19630281656
申请日期
1963.05.20
申请人
KENNETH STEWART JOHN
发明人
STEWART JOHN KENNETH
分类号
E01B29/04
主分类号
E01B29/04
代理机构
代理人
主权项
地址
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