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发明名称
摘要
申请公布号
JPH0326331(U)
申请公布日期
1991.03.18
申请号
JP19890086546U
申请日期
1989.07.25
申请人
发明人
分类号
E02D3/12;B01F5/00;B01F15/02;(IPC1-7):B01F5/00
主分类号
E02D3/12
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代理人
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