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发明名称
ELECTRODE ETCHING METHOD
摘要
申请公布号
CA370846(A)
申请公布日期
1937.12.28
申请号
CAD370846
申请日期
申请人
P. R. MALLORY AND CO.
发明人
JAMES MARVIN BOOE
分类号
主分类号
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代理人
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