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发明名称
BORING BARS
摘要
申请公布号
GB8506829(D0)
申请公布日期
1985.04.17
申请号
GB19850006829
申请日期
1985.03.15
申请人
CRAWFORD COLLETS LTD
发明人
分类号
B23B31/107;B23Q1/00;B23Q1/70
主分类号
B23B31/107
代理机构
代理人
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地址
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