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发明名称
Countersinking appliance
摘要
申请公布号
US2466745(A)
申请公布日期
1949.04.12
申请号
US19460643735
申请日期
1946.01.26
申请人
SEAMANS JAMES W
发明人
SEAMANS JAMES W.
分类号
B23B51/10
主分类号
B23B51/10
代理机构
代理人
主权项
地址
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