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经营范围
发明名称
Magnetic form for use in making molds
摘要
申请公布号
US2672664(A)
申请公布日期
1954.03.23
申请号
US19510228079
申请日期
1951.05.24
申请人
SUDZIARSKI EUGENE C
发明人
SUDZIARSKI EUGENE C.
分类号
B22C7/04
主分类号
B22C7/04
代理机构
代理人
主权项
地址
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