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发明名称
Improvements in or relating to the production of chromium alloys
摘要
申请公布号
GB546682(A)
申请公布日期
1942.07.24
申请号
GB19420003680
申请日期
1940.01.29
申请人
MARVIN J. UDY
发明人
分类号
C22C1/02
主分类号
C22C1/02
代理机构
代理人
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