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发明名称
Collet jaw protector
摘要
申请公布号
US2380648(A)
申请公布日期
1945.07.31
申请号
US19440552281
申请日期
1944.09.01
申请人
ROHR AIRCRAFT CORPORATION
发明人
HITE JESS L.
分类号
B23B31/00
主分类号
B23B31/00
代理机构
代理人
主权项
地址
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