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发明名称
Diaphragm chuck
摘要
申请公布号
US2974964(A)
申请公布日期
1961.03.14
申请号
US19580725899
申请日期
1958.04.02
申请人
ERICKSON TOOL COMPANY
发明人
BENJAMIN MILTON L.;WINNEN FRANKLYN E.
分类号
B23B31/32
主分类号
B23B31/32
代理机构
代理人
主权项
地址
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