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发明名称
摘要
申请公布号
JPS5499824(U)
申请公布日期
1979.07.14
申请号
JP19770178832U
申请日期
1977.12.26
申请人
发明人
分类号
A01C11/02;(IPC1-7):A01C11/02
主分类号
A01C11/02
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