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发明名称
Precision boring device
摘要
申请公布号
US2627193(A)
申请公布日期
1953.02.03
申请号
US19480030163
申请日期
1948.05.29
申请人
EDWARD L. CHAPMAN
发明人
SR. EDWIN V. STATIA,
分类号
B23Q9/00
主分类号
B23Q9/00
代理机构
代理人
主权项
地址
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