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发明名称
Furnace
摘要
申请公布号
US2525407(A)
申请公布日期
1950.10.10
申请号
US19470743745
申请日期
1947.04.25
申请人
FREI JR JOHN
发明人
JR. JOHN FREI,
分类号
B22D27/08;F27B17/00
主分类号
B22D27/08
代理机构
代理人
主权项
地址
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