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申请公布号
JPS5675829(U)
申请公布日期
1981.06.20
申请号
JP19790158296U
申请日期
1979.11.15
申请人
发明人
分类号
A01C7/12;A01C19/00;A01C19/02;(IPC1-7):A01C19/00
主分类号
A01C7/12
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