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发明名称
摘要
申请公布号
JPH057334(Y2)
申请公布日期
1993.02.24
申请号
JP19880018425U
申请日期
1988.02.15
申请人
发明人
分类号
E03C1/044;E03C1/05;F16K11/00;F16K31/00;F16K31/05;F16K31/06;(IPC1-7):E03C1/044
主分类号
E03C1/044
代理机构
代理人
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地址
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