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经营范围
发明名称
Clay product, ceramic composition, and associated processes
摘要
申请公布号
US1803999(A)
申请公布日期
1931.05.05
申请号
US19260117869
申请日期
1926.06.22
申请人
THE VITREFRAX COMPANY
发明人
CURTIS THOMAS S.
分类号
C04B33/16
主分类号
C04B33/16
代理机构
代理人
主权项
地址
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