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发明名称
摘要
申请公布号
JPH0435816(U)
申请公布日期
1992.03.25
申请号
JP19900075974U
申请日期
1990.07.17
申请人
发明人
分类号
B23B31/117;B23B51/12;(IPC1-7):B23B51/12
主分类号
B23B31/117
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代理人
主权项
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