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发明名称
Quick lock toolholder
摘要
申请公布号
US2449277(A)
申请公布日期
1948.09.14
申请号
US19450621107
申请日期
1945.10.08
申请人
BEAVER TOOL & ENGINEERING CORP.
发明人
CHERRY CHARLES A.
分类号
B23B31/107
主分类号
B23B31/107
代理机构
代理人
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