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发明名称
Hand-piece chuck
摘要
申请公布号
US2460302(A)
申请公布日期
1949.02.01
申请号
US19450611675
申请日期
1945.08.20
申请人
LUNDSTEN MILTON S
发明人
LUNDSTEN MILTON S.
分类号
B23B31/20
主分类号
B23B31/20
代理机构
代理人
主权项
地址
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