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发明名称
摘要
申请公布号
JPS6434117(U)
申请公布日期
1989.03.02
申请号
JP19870126186U
申请日期
1987.08.19
申请人
发明人
分类号
B23D21/00;(IPC1-7):B23D21/00
主分类号
B23D21/00
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代理人
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