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发明名称
摘要
申请公布号
JPS57155012(U)
申请公布日期
1982.09.29
申请号
JP19810043021U
申请日期
1981.03.27
申请人
发明人
分类号
A01C5/02;(IPC1-7):A01C5/02
主分类号
A01C5/02
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代理人
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地址
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