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发明名称
Registry punch
摘要
申请公布号
US3207021(A)
申请公布日期
1965.09.21
申请号
US19620218045
申请日期
1962.08.20
申请人
BRADLEY JAMES W
发明人
BRADLEY JAMES W.
分类号
G03F9/00
主分类号
G03F9/00
代理机构
代理人
主权项
地址
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