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发明名称
摘要
申请公布号
FR1555913(A)
申请公布日期
1969.01.31
申请号
FRD1555913
申请日期
1968.01.18
申请人
发明人
分类号
B25C1/04
主分类号
B25C1/04
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代理人
主权项
地址
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