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发明名称
Center punch with hammer and magnifier
摘要
申请公布号
US3011258(A)
申请公布日期
1961.12.05
申请号
US19580737402
申请日期
1958.05.23
申请人
KOTCHAN CHARLES J
发明人
KOTCHAN CHARLES J.
分类号
B25D1/16;B25D5/00
主分类号
B25D1/16
代理机构
代理人
主权项
地址
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