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发明名称
摘要
申请公布号
JPH02104919(U)
申请公布日期
1990.08.21
申请号
JP19890011113U
申请日期
1989.01.31
申请人
发明人
分类号
B23H7/02;(IPC1-7):B23H7/02
主分类号
B23H7/02
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代理人
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