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经营范围
发明名称
Foundry flask
摘要
申请公布号
US2393200(A)
申请公布日期
1946.01.15
申请号
US19420462554
申请日期
1942.10.19
申请人
THE ADAMS COMPANY
发明人
SPENSLEY WILLIAM J.
分类号
B22C21/02
主分类号
B22C21/02
代理机构
代理人
主权项
地址
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