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发明名称
摘要
申请公布号
DE2034289(A1)
申请公布日期
1972.01.13
申请号
DE19702034289
申请日期
1970.07.10
申请人
发明人
分类号
B25B13/46;B25G1/10
主分类号
B25B13/46
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