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发明名称
MEJORAS EN LAS GRuAS PORTáTILES, CON ELEVACIoN oLEO-HIDRáULICA
摘要
申请公布号
ES231090(A1)
申请公布日期
1957.03.16
申请号
ES19900002310
申请日期
1956.09.28
申请人
MARZAL ALBARRAN, EMILIO
发明人
分类号
(IPC1-7):B66
主分类号
(IPC1-7):B66
代理机构
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