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摘要
申请公布号
JPH0417435(U)
申请公布日期
1992.02.13
申请号
JP19900059259U
申请日期
1990.06.05
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发明人
分类号
E02D7/16;(IPC1-7):E02D7/16
主分类号
E02D7/16
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