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发明名称
Pieza hexagonal hueca para forjado de pisos y bóvedas
摘要
申请公布号
ES83093(Y)
申请公布日期
1961.03.01
申请号
ES19930000830U
申请日期
1960.09.19
申请人
CASTEILET FIGUERAS, JUAN
发明人
分类号
主分类号
代理机构
代理人
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