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发明名称
摘要
申请公布号
JPS4731771(Y1)
申请公布日期
1972.09.25
申请号
JP19680086344U
申请日期
1968.10.03
申请人
发明人
分类号
(IPC1-7):A01C5/06
主分类号
(IPC1-7):A01C5/06
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