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发明名称
摘要
申请公布号
JPS63174603(U)
申请公布日期
1988.11.14
申请号
JP19870020511U
申请日期
1987.02.13
申请人
发明人
分类号
A01B33/12;(IPC1-7):A01B33/12
主分类号
A01B33/12
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代理人
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