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经营范围
发明名称
Centrifugal mold stopper
摘要
申请公布号
US2294935(A)
申请公布日期
1942.09.08
申请号
US19410400942
申请日期
1941.07.03
申请人
RITCHIE SCOTT B
发明人
RITCHIE SCOTT B.
分类号
B22D13/10
主分类号
B22D13/10
代理机构
代理人
主权项
地址
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