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经营范围
发明名称
Expansion body
摘要
申请公布号
US4661021(A)
申请公布日期
1987.04.28
申请号
US19860826279
申请日期
1986.02.05
申请人
ATLAS COPCO AB
发明人
GRANSTROEM, BENGT P. O.;SKOGBERG, BO T.
分类号
E02D5/38;E02D5/48;E02D5/54;E02D5/80;(IPC1-7):E02D5/28;E02D5/76
主分类号
E02D5/38
代理机构
代理人
主权项
地址
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