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经营范围
发明名称
Shell mold
摘要
申请公布号
US2691196(A)
申请公布日期
1954.10.12
申请号
US19520289026
申请日期
1952.05.21
申请人
THOMPSON PRODUCTS, INC.
发明人
BANISTER ROBERT T.
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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