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发明名称
Geometrical and centering device
摘要
申请公布号
US2540861(A)
申请公布日期
1951.02.06
申请号
US19490090340
申请日期
1949.04.29
申请人
CHARLES BUCHALTER
发明人
BUCHALTER CHARLES
分类号
B25D5/00
主分类号
B25D5/00
代理机构
代理人
主权项
地址
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