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发明名称
摘要
申请公布号
JPS57104854(U)
申请公布日期
1982.06.28
申请号
JP19800182893U
申请日期
1980.12.18
申请人
发明人
分类号
A01F12/22;A01F12/24;(IPC1-7):A01F12/24
主分类号
A01F12/22
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