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发明名称
摘要
申请公布号
JPS535888(Y2)
申请公布日期
1978.02.15
申请号
JP19730074056U
申请日期
1973.06.20
申请人
发明人
分类号
A01F12/00;A01D41/00;A01F12/18;A01F17/00;A01F17/02;(IPC1-7):A01F17/02
主分类号
A01F12/00
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