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发明名称
摘要
申请公布号
JPS52136079(U)
申请公布日期
1977.10.15
申请号
JP19760045091U
申请日期
1976.04.13
申请人
发明人
分类号
B02B7/00;B02B3/00;(IPC1-7):B02B3/00
主分类号
B02B7/00
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代理人
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