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发明名称
摘要
申请公布号
JPS5534726(Y2)
申请公布日期
1980.08.16
申请号
JP19770035048U
申请日期
1977.03.23
申请人
发明人
分类号
A01C7/08;A01C7/12;A01C7/20;(IPC1-7):A01C7/20
主分类号
A01C7/08
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