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发明名称
摘要
申请公布号
JPS5296720(U)
申请公布日期
1977.07.20
申请号
JP19760003748U
申请日期
1976.01.17
申请人
发明人
分类号
A01C23/04;(IPC1-7):A01C23/04
主分类号
A01C23/04
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代理人
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