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发明名称
Hydraulic jack for removing rock drill steels
摘要
申请公布号
US2087403(A)
申请公布日期
1937.07.20
申请号
US19350014200
申请日期
1935.04.02
申请人
GONSER CHARLES E;HINGLEY CECIL D
发明人
GONSER CHARLES E.;HINGLEY CECIL D.
分类号
B66F3/24;B66F3/36
主分类号
B66F3/24
代理机构
代理人
主权项
地址
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