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发明名称
Work holding sleeve member
摘要
申请公布号
US2829899(A)
申请公布日期
1958.04.08
申请号
US19540469612
申请日期
1954.11.18
申请人
DREWCO CORPORATION
发明人
DREW CHARLES E.;COCHRAN JOHN T.
分类号
B23B31/20;B23B31/40
主分类号
B23B31/20
代理机构
代理人
主权项
地址
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