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发明名称
摘要
申请公布号
JPS6050220(U)
申请公布日期
1985.04.09
申请号
JP19830140221U
申请日期
1983.09.12
申请人
发明人
分类号
E02F3/815;E01H5/06;(IPC1-7):E01H5/06
主分类号
E02F3/815
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