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发明名称
摘要
申请公布号
JPS4859631(U)
申请公布日期
1973.07.28
申请号
JP19710104737U
申请日期
1971.11.09
申请人
发明人
分类号
A01D41/02;A01D41/00;(IPC1-7):A01D41/00
主分类号
A01D41/02
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