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发明名称
Mold supporting device
摘要
申请公布号
US2651822(A)
申请公布日期
1953.09.15
申请号
US19510221423
申请日期
1951.04.17
申请人
WALWORTH COMPANY
发明人
DAVIS RALPH P.
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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