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发明名称
Quick releasing chuck
摘要
申请公布号
US2189002(A)
申请公布日期
1940.02.06
申请号
US19370155990
申请日期
1937.07.27
申请人
WILHELM HAMMER
发明人
HAMMER WILHELM
分类号
B23B31/08
主分类号
B23B31/08
代理机构
代理人
主权项
地址
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