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发明名称
摘要
申请公布号
JPH0739965(Y2)
申请公布日期
1995.09.13
申请号
JP19900087141U
申请日期
1990.08.22
申请人
发明人
分类号
E02F3/32;(IPC1-7):E02F3/32
主分类号
E02F3/32
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