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发明名称
Release mechanism for broach pulling chucks
摘要
申请公布号
US2338989(A)
申请公布日期
1944.01.11
申请号
US19430491148
申请日期
1943.06.17
申请人
COLONIAL BROACH COMPANY
发明人
WELTE BENEDICT
分类号
B23D41/04
主分类号
B23D41/04
代理机构
代理人
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