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发明名称
Quick-change chuck
摘要
申请公布号
US1929869(A)
申请公布日期
1933.10.10
申请号
US19310579777
申请日期
1931.12.08
申请人
KURT HASSNER
发明人
HASSNER KURT
分类号
B23B31/103
主分类号
B23B31/103
代理机构
代理人
主权项
地址
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