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发明名称
Differential locking driving chuck
摘要
申请公布号
US2511741(A)
申请公布日期
1950.06.13
申请号
US19470756028
申请日期
1947.06.20
申请人
WICKES BROS
发明人
SCHULZ RICHARD E.
分类号
B23B5/22;B23Q1/76
主分类号
B23B5/22
代理机构
代理人
主权项
地址
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