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发明名称
Post driver
摘要
申请公布号
US2378131(A)
申请公布日期
1945.06.12
申请号
US19440544108
申请日期
1944.07.08
申请人
DIRKSEN OLE A;BEESLEY HAROLD G
发明人
DIRKSEN OLE A.;BEESLEY HAROLD G.
分类号
E04H17/26
主分类号
E04H17/26
代理机构
代理人
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