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发明名称
摘要
申请公布号
JPH035311(U)
申请公布日期
1991.01.18
申请号
JP19890062796U
申请日期
1989.05.30
申请人
发明人
分类号
A01C7/04;(IPC1-7):A01C7/04
主分类号
A01C7/04
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代理人
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地址
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