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发明名称
PERFECCIONAMIENTOS EN LA CONSTRUCCION DE ELEVADORES SEMIHIDRAHULICOS
摘要
申请公布号
ES247849(A1)
申请公布日期
1959.06.01
申请号
ES19490002478
申请日期
1959.03.12
申请人
TOMAS ALACREU, ISMAEL
发明人
分类号
B66C;(IPC1-7):B66C
主分类号
B66C
代理机构
代理人
主权项
地址
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