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发明名称
ESCALERA PERFECCIONADA.
摘要
申请公布号
ES1016151(Y)
申请公布日期
1992.05.01
申请号
ES19900003585U
申请日期
1990.12.18
申请人
LLADO LLEVALL PERE
发明人
分类号
E06C1/39;E06C1/397;E06C7/12;(IPC1-7):E06C1/39
主分类号
E06C1/39
代理机构
代理人
主权项
地址
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