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发明名称
Porous zircon refractory and method of making
摘要
申请公布号
US2583160(A)
申请公布日期
1952.01.22
申请号
US19470735028
申请日期
1947.03.15
申请人
NATIONAL LEAD COMPANY
发明人
THOMAS EVERETT A.
分类号
C04B38/06
主分类号
C04B38/06
代理机构
代理人
主权项
地址
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