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经营范围
发明名称
Hydraulic jack
摘要
申请公布号
US1994783(A)
申请公布日期
1935.03.19
申请号
US19310577203
申请日期
1931.11.25
申请人
BLACKHAWIK MANUFACTURING CO.
发明人
PFAUSER EDWARD M.
分类号
B66F5/04
主分类号
B66F5/04
代理机构
代理人
主权项
地址
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