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发明名称
摘要
申请公布号
JPS61127801(U)
申请公布日期
1986.08.11
申请号
JP19850012631U
申请日期
1985.01.31
申请人
发明人
分类号
B02C13/06;B21B1/08;(IPC1-7):B21B1/08
主分类号
B02C13/06
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代理人
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