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发明名称
摘要
申请公布号
JPH041262(U)
申请公布日期
1992.01.08
申请号
JP19900040480U
申请日期
1990.04.16
申请人
发明人
分类号
E03C1/042;(IPC1-7):E03C1/042
主分类号
E03C1/042
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代理人
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地址
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