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发明名称
摘要
申请公布号
JPS5219856(Y2)
申请公布日期
1977.05.07
申请号
JP19720115323U
申请日期
1972.10.03
申请人
发明人
分类号
A01C5/06;(IPC1-7):A01C5/06
主分类号
A01C5/06
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