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经营范围
发明名称
Controlled centering chuck
摘要
申请公布号
US2905476(A)
申请公布日期
1959.09.22
申请号
US19550555819
申请日期
1955.12.28
申请人
UNITED-GREENFIELD CORPORATION
发明人
BRAINERD WILLIAM H.
分类号
B23B31/163
主分类号
B23B31/163
代理机构
代理人
主权项
地址
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