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经营范围
发明名称
Improvements in or relating to composite metal castings
摘要
申请公布号
GB549090(A)
申请公布日期
1942.11.05
申请号
GB19410007528
申请日期
1941.06.13
申请人
ERIC JAMES WHITEHEAD
发明人
分类号
B22D19/08
主分类号
B22D19/08
代理机构
代理人
主权项
地址
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