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发明名称
摘要
申请公布号
JPS55101954(U)
申请公布日期
1980.07.16
申请号
JP19780181953U
申请日期
1978.12.29
申请人
发明人
分类号
E02F5/02;E02D17/13;(IPC1-7):E02D17/13
主分类号
E02F5/02
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