发明名称 |
Refractory article |
摘要 |
|
申请公布号 |
US2154271(A) |
申请公布日期 |
1939.04.11 |
申请号 |
US19370128651 |
申请日期 |
1937.03.02 |
申请人 |
THE CARBORUNDUM COMPANY |
发明人 |
HIGGINS FRANCIS WHITSON |
分类号 |
C04B35/52 |
主分类号 |
C04B35/52 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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