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发明名称
摘要
申请公布号
JPS54142617(U)
申请公布日期
1979.10.03
申请号
JP19780038586U
申请日期
1978.03.25
申请人
发明人
分类号
A01C9/00;A01C5/06;A01C9/02;(IPC1-7):A01C9/00
主分类号
A01C9/00
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代理人
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