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经营范围
发明名称
Casting apparatus
摘要
申请公布号
US2660770(A)
申请公布日期
1953.12.01
申请号
US19500183363
申请日期
1950.09.06
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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