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发明名称
Improvements in hydraulically operated supporting devices
摘要
申请公布号
GB843354(A)
申请公布日期
1960.08.04
申请号
GB19570026612
申请日期
1957.08.23
申请人
ROBERT BOSCH G.M.B.H.
发明人
分类号
E21D15/44
主分类号
E21D15/44
代理机构
代理人
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地址
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