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经营范围
发明名称
Improvements in or relating to apparatus for making casting cores and parts thereof
摘要
申请公布号
GB674422(A)
申请公布日期
1952.06.25
申请号
GB19490022242
申请日期
1947.01.28
申请人
POLYGRAM CASTING CO. LIMITED
发明人
HOPKINS JACK ROWLAND;BRIGGS LLEWELLYN ROLLS
分类号
B22C23/00
主分类号
B22C23/00
代理机构
代理人
主权项
地址
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