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经营范围
发明名称
Process and apparatus for improving composite metal articles
摘要
申请公布号
GB550879(A)
申请公布日期
1943.01.28
申请号
GB19410009875
申请日期
1941.08.02
申请人
HAYNES STELLITE COMPANY
发明人
分类号
B23K31/02
主分类号
B23K31/02
代理机构
代理人
主权项
地址
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