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发明名称
Checker-brick and checkerwork construction
摘要
申请公布号
US1883674(A)
申请公布日期
1932.10.18
申请号
US19300467094
申请日期
1930.07.10
申请人
J. H. FRANCE REFRACTORIES COMPANY
发明人
FRANCE JAMES H.
分类号
F28F21/04
主分类号
F28F21/04
代理机构
代理人
主权项
地址
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