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发明名称
摘要
申请公布号
JPH0421220(U)
申请公布日期
1992.02.21
申请号
JP19900062268U
申请日期
1990.06.14
申请人
发明人
分类号
A01D34/76;A01D34/73;(IPC1-7):A01D34/76
主分类号
A01D34/76
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代理人
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