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经营范围
发明名称
Electrically heated drying furnace for casting cores and the like
摘要
申请公布号
US1893963(A)
申请公布日期
1933.01.10
申请号
US19300490725
申请日期
1930.10.23
申请人
FRIEDRICH RUSS EMIL
发明人
RUSS EMIL FRIEDRICH
分类号
B22C9/12;B22C9/14
主分类号
B22C9/12
代理机构
代理人
主权项
地址
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