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发明名称
UN DISPOSITIVO ANTICONCEPTIVO
摘要
申请公布号
ES254281(Y)
申请公布日期
1981.07.01
申请号
ES19810002542U
申请日期
1980.01.08
申请人
发明人
分类号
(IPC1-7):61F5/47
主分类号
(IPC1-7):61F5/47
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