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发明名称
摘要
申请公布号
JPS4322690(Y1)
申请公布日期
1968.09.25
申请号
JP19640047389U
申请日期
1964.06.15
申请人
发明人
分类号
A01F12/54;A01F7/00;A01F12/44;(IPC1-7):A01F7/00
主分类号
A01F12/54
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代理人
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