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发明名称
摘要
申请公布号
JPS5492901(U)
申请公布日期
1979.06.30
申请号
JP19770141834U
申请日期
1977.10.20
申请人
发明人
分类号
A01B59/042;(IPC1-7):A01B59/042
主分类号
A01B59/042
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