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发明名称
摘要
申请公布号
JPH04117090(U)
申请公布日期
1992.10.20
申请号
JP19910021499U
申请日期
1991.04.03
申请人
发明人
分类号
E03F7/10;F26B5/04;F26B21/00;(IPC1-7):E03F7/10
主分类号
E03F7/10
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代理人
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