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发明名称
摘要
申请公布号
JPH04122657(U)
申请公布日期
1992.11.04
申请号
JP19910037020U
申请日期
1991.04.22
申请人
发明人
分类号
B04C5/00;B01D17/038;B23Q11/10;(IPC1-7):B04C5/00
主分类号
B04C5/00
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