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发明名称
摘要
申请公布号
JPS4631523(Y1)
申请公布日期
1971.11.01
申请号
JP19680100725U
申请日期
1968.11.18
申请人
发明人
分类号
(IPC1-7):A01B33/14;F16B2/18;F16B7/04
主分类号
(IPC1-7):A01B33/14
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