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发明名称
摘要
申请公布号
JPS6253945(U)
申请公布日期
1987.04.03
申请号
JP19850077981U
申请日期
1985.05.25
申请人
发明人
分类号
B23Q17/20;B24B49/00;G01B21/02;G01B21/08
主分类号
B23Q17/20
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代理人
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