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经营范围
发明名称
A method of making a ceramic shell mould and a method of casting
摘要
申请公布号
GB9902487(D0)
申请公布日期
1999.03.24
申请号
GB19990002487
申请日期
1999.02.05
申请人
ROLLS-ROYCE PLC
发明人
分类号
B22C9/04
主分类号
B22C9/04
代理机构
代理人
主权项
地址
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