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发明名称
摘要
申请公布号
JPH043521(U)
申请公布日期
1992.01.13
申请号
JP19900045402U
申请日期
1990.04.27
申请人
发明人
分类号
A01C3/06;(IPC1-7):A01C3/06
主分类号
A01C3/06
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代理人
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