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发明名称
Working and treating be-cu alloys
摘要
申请公布号
US2412447(A)
申请公布日期
1946.12.10
申请号
US19420453039
申请日期
1942.07.31
申请人
BERKS COUNTY TRUST COMPANY
发明人
DONACHIE MATTHEW J.
分类号
C22F1/08
主分类号
C22F1/08
代理机构
代理人
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地址
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