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经营范围
发明名称
Combination diaphragm and clamp chuck
摘要
申请公布号
US2473380(A)
申请公布日期
1949.06.14
申请号
US19470740642
申请日期
1947.04.10
申请人
BRYANT CHUCKING GRINDER COMPANY
发明人
LJUNGGREN THOR H.;GREEN GLENN M.
分类号
B23B31/32
主分类号
B23B31/32
代理机构
代理人
主权项
地址
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