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发明名称
摘要
申请公布号
JPS5257070(Y2)
申请公布日期
1977.12.23
申请号
JP19730045799U
申请日期
1973.04.16
申请人
发明人
分类号
A01D57/00;A01D57/22;(IPC1-7):A01D57/00
主分类号
A01D57/00
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