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发明名称
摘要
申请公布号
FR2220337(A1)
申请公布日期
1974.10.04
申请号
FR19730007894
申请日期
1973.03.06
申请人
CRASNIANSKI FRANCE SA,FR
发明人
分类号
B23C3/35;E05B19/00;(IPC1-7):B23C3/35
主分类号
B23C3/35
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