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经营范围
发明名称
INVESTMENT CASTING PROCESS.
摘要
申请公布号
EP0430989(B1)
申请公布日期
1994.11.30
申请号
EP19890909225
申请日期
1989.08.02
申请人
ASTEC DEVELOPMENTS LIMITED
发明人
SIMPSON, NEIL ANDREW ABERCROMBIE
分类号
B22D19/06;B22D19/16;E21B10/46;(IPC1-7):B22D19/06
主分类号
B22D19/06
代理机构
代理人
主权项
地址
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