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经营范围
发明名称
Furnace wall
摘要
申请公布号
US2255803(A)
申请公布日期
1941.09.16
申请号
US19410372701
申请日期
1941.01.02
申请人
A. P. GREEN FIRE BRICK COMPANY
发明人
OFFUTT JOSEPH JAMES
分类号
F27D1/00
主分类号
F27D1/00
代理机构
代理人
主权项
地址
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