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经营范围
发明名称
Insulating refractory
摘要
申请公布号
US1798934(A)
申请公布日期
1931.03.31
申请号
US19280319439
申请日期
1928.11.14
申请人
THE CARBORUNDUM COMPANY
发明人
FORSE EDWIN B.
分类号
C04B41/50;C04B41/85
主分类号
C04B41/50
代理机构
代理人
主权项
地址
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