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经营范围
发明名称
SANDWICH STRUCTURE MONOLITHIC MOULD
摘要
申请公布号
GB1486326(A)
申请公布日期
1977.09.21
申请号
GB19740050932
申请日期
1974.11.25
申请人
HOWMET CORP
发明人
分类号
B22C1/08;B22C1/16;B22C9/04;(IPC1-7):B22C1/14;B22D29/00
主分类号
B22C1/08
代理机构
代理人
主权项
地址
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