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发明名称
摘要
申请公布号
JPS53121322(U)
申请公布日期
1978.09.27
申请号
JP19770026675U
申请日期
1977.03.04
申请人
发明人
分类号
A01C7/16;A01C7/00;A01C7/08;(IPC1-7):A01C7/16
主分类号
A01C7/16
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