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发明名称
摘要
申请公布号
JPS5532412(Y2)
申请公布日期
1980.08.02
申请号
JP19740048654U
申请日期
1974.04.27
申请人
发明人
分类号
A01B63/00;A01B63/10;A01B63/16;(IPC1-7):A01B63/10
主分类号
A01B63/00
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