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经营范围
发明名称
Collets and chuck jaw assemblages
摘要
申请公布号
US2780469(A)
申请公布日期
1957.02.05
申请号
US19550480156
申请日期
1955.01.06
申请人
DACRE CHUCKS LIMITED
发明人
HULL HAROLD SAMUEL
分类号
B23B31/12
主分类号
B23B31/12
代理机构
代理人
主权项
地址
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