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经营范围
发明名称
Steel alloy
摘要
申请公布号
GB552552(A)
申请公布日期
1943.04.14
申请号
GB19400014950
申请日期
1940.10.07
申请人
FRANK LEONARD WRIGHT;GEORGE VANDEGRIFT LUERSSEN
发明人
分类号
C22C38/38
主分类号
C22C38/38
代理机构
代理人
主权项
地址
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