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发明名称
摘要
申请公布号
JPS5311521(Y2)
申请公布日期
1978.03.29
申请号
JP19750083326U
申请日期
1975.06.18
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发明人
分类号
E02F3/76;(IPC1-7):E02F3/76
主分类号
E02F3/76
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