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发明名称
Cast refractory with adequate porosity
摘要
申请公布号
US2224498(A)
申请公布日期
1940.12.10
申请号
US19370163160
申请日期
1937.09.09
申请人
CORNING GLASS WORKS
发明人
YOSHIKI BUNPEI
分类号
C04B35/657
主分类号
C04B35/657
代理机构
代理人
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