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发明名称
摘要
申请公布号
FR2099084(A5)
申请公布日期
1972.03.10
申请号
FR19710015637
申请日期
1971.04.30
申请人
SANDCO LTD
发明人
分类号
B26D1/00;B26D3/18;(IPC1-7):B23D31/00
主分类号
B26D1/00
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