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发明名称
摘要
申请公布号
JPS5469601(U)
申请公布日期
1979.05.17
申请号
JP19780102366U
申请日期
1978.07.25
申请人
发明人
分类号
E02F9/28;(IPC1-7):E02F9/28
主分类号
E02F9/28
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