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发明名称
摘要
申请公布号
JPH0499748(U)
申请公布日期
1992.08.28
申请号
JP19910007755U
申请日期
1991.01.28
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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