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发明名称
COPPER-BERYLLIUM ALLOY
摘要
申请公布号
CA372048(A)
申请公布日期
1938.02.22
申请号
CAD372048
申请日期
申请人
HERAEUS-VACUUMSCHMELZE, A. G.
发明人
WERNER HESSENBRUCH
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主分类号
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代理人
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