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发明名称
IMPROVED LOAD BEARING SURFACE
摘要
申请公布号
GB2115079(B)
申请公布日期
1985.08.14
申请号
GB19830002908
申请日期
1983.02.03
申请人
LOUIS WEIN * JOHNSON;BRUCE GORDON * JOHNSON
发明人
LOUIS WEIN * JOHNSON;BRUCE GORDON * JOHNSON
分类号
E02F9/28;B02C2/04;E21B10/10;F16C32/06;(IPC1-7):F16C32/06
主分类号
E02F9/28
代理机构
代理人
主权项
地址
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