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经营范围
发明名称
Cobalt-tungsten-iron alloy
摘要
申请公布号
US2011976(A)
申请公布日期
1935.08.20
申请号
US19320589535
申请日期
1932.01.28
申请人
VEREINIGTE STAHLWERKE AKTIENGESELLSCHAFT
发明人
KOSTER WERNER
分类号
C22C19/07
主分类号
C22C19/07
代理机构
代理人
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