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发明名称
摘要
申请公布号
JPS451649(Y1)
申请公布日期
1970.01.23
申请号
JP19670009465U
申请日期
1967.02.06
申请人
发明人
分类号
E02F3/08;(IPC1-7):E02F3/08
主分类号
E02F3/08
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代理人
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