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发明名称
摘要
申请公布号
JPH0421222(U)
申请公布日期
1992.02.21
申请号
JP19900062635U
申请日期
1990.06.13
申请人
发明人
分类号
A01D57/22;(IPC1-7):A01D57/22
主分类号
A01D57/22
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代理人
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地址
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