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发明名称
摘要
申请公布号
FR2422499(B1)
申请公布日期
1985.02.15
申请号
FR19790009002
申请日期
1979.04.10
申请人
OFFICINE VEZZANI SPA
发明人
分类号
B23D31/00;B30B9/32;(IPC1-7):B30B9/32;B65B63/02
主分类号
B23D31/00
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