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发明名称
摘要
申请公布号
JPH0372960(U)
申请公布日期
1991.07.23
申请号
JP19890133504U
申请日期
1989.11.16
申请人
发明人
分类号
E02F9/16;(IPC1-7):E02F9/16
主分类号
E02F9/16
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代理人
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地址
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