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经营范围
发明名称
An improved chuck, more particularly for machine tools
摘要
申请公布号
GB827560(A)
申请公布日期
1960.02.10
申请号
GB19570025799
申请日期
1957.08.15
申请人
LIESELOTTE BERTHOLD
发明人
分类号
B23B31/177
主分类号
B23B31/177
代理机构
代理人
主权项
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