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发明名称
MEJORAS INTRODUCIDAS EN LAS UNIDADES DE CONSTRUCCIoN
摘要
申请公布号
ES249774(A1)
申请公布日期
1959.10.16
申请号
ES19740002497
申请日期
1959.06.01
申请人
SELECTION ENGINEERING COMPANY, LIMITED
发明人
分类号
(IPC1-7):E04
主分类号
(IPC1-7):E04
代理机构
代理人
主权项
地址
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