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发明名称
摘要
申请公布号
JPH026780(U)
申请公布日期
1990.01.17
申请号
JP19880084336U
申请日期
1988.06.24
申请人
发明人
分类号
E03C1/30;(IPC1-7):E03C1/30
主分类号
E03C1/30
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代理人
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地址
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