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发明名称
摘要
申请公布号
JPH0646892(B2)
申请公布日期
1994.06.22
申请号
JP19900129371
申请日期
1990.05.19
申请人
发明人
分类号
A01D13/00;A01D33/14;(IPC1-7):A01D13/00
主分类号
A01D13/00
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代理人
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