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发明名称
摘要
申请公布号
JPS6229815(U)
申请公布日期
1987.02.23
申请号
JP19850121196U
申请日期
1985.08.06
申请人
发明人
分类号
B23D33/00;B21B15/00;B21C47/24;B23D31/02;B65H19/12;(IPC1-7):B21C47/24
主分类号
B23D33/00
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