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发明名称
Deep-hole electrode
摘要
申请公布号
US2715172(A)
申请公布日期
1955.08.09
申请号
US19520323101
申请日期
1952.11.28
申请人
ELOX CORPORATION OF MICHIGAN
发明人
JR. JOHN S. LARKINS,
分类号
B23H9/14
主分类号
B23H9/14
代理机构
代理人
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地址
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