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发明名称
Method of and apparatus for producing refractories
摘要
申请公布号
US2144852(A)
申请公布日期
1939.01.24
申请号
US19380190268
申请日期
1938.02.12
申请人
RIGDON HOWARD K
发明人
RIGDON HOWARD K.
分类号
B28B11/12
主分类号
B28B11/12
代理机构
代理人
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