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发明名称
摘要
申请公布号
FR1590801(A)
申请公布日期
1970.04.20
申请号
FRD1590801
申请日期
1968.11.05
申请人
发明人
分类号
B25B23/145;F15B11/08
主分类号
B25B23/145
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